Fix 404s in markdown files (#16285)

* fix first batch of 404s in our codebase
* more changes/ code review
---------

Signed-off-by: Tasos Katsoulas <tasos@netdata.cloud>
Co-authored-by: Tasos Katsoulas <tasos@netdata.cloud>

README.md

@@ -755,7 +755,6 @@ General information about contributions:
 - Check our [Security Policy](https://github.com/netdata/netdata/security/policy).
 - Found a bug? Open a [GitHub issue](https://github.com/netdata/netdata/issues/new?assignees=&labels=bug%2Cneeds+triage&template=BUG_REPORT.yml&title=%5BBug%5D%3A+).
 - Read our [Contributing Guide](https://github.com/netdata/.github/blob/main/CONTRIBUTING.md), which contains all the information you need to contribute to Netdata, such as improving our documentation, engaging in the community, and developing new features. We've made it as frictionless as possible, but if you need help, just ping us on our community forums!
-- We have a whole category dedicated to contributing and extending Netdata on our [community forums](https://community.netdata.cloud/c/agent-development/9)
 
 Package maintainers should read the guide on [building Netdata from source](https://github.com/netdata/netdata/blob/master/packaging/installer/methods/source.md) for
 instructions on building each Netdata component from the source and preparing a package.

REDISTRIBUTED.md

@@ -108,7 +108,7 @@ connectivity is not available.
       Copyright 2016, Hyunje Alex Jun and other contributors
       [MIT License](https://github.com/noraesae/perfect-scrollbar/blob/master/LICENSE)
 
--   [FontAwesome](https://fortawesome.github.io/Font-Awesome/)
+-   [FontAwesome](https://github.com/FortAwesome/Font-Awesome)
 
       Created by Dave Gandy
       Font license: [SIL OFL 1.1](http://scripts.sil.org/OFL)
@@ -141,7 +141,7 @@ connectivity is not available.
       Copyright 2014, Pavel Rojtberg
       [LGPL 2.1 License](http://opensource.org/licenses/LGPL-2.1)
 
--   [PyYAML](https://bitbucket.org/blackjack/pysensors)
+-   [PyYAML](https://pypi.org/project/PyYAML/)
 
       Copyright 2006, Kirill Simonov
       [MIT License](https://github.com/yaml/pyyaml/blob/master/LICENSE)

docs/cloud/manage/organize-your-infrastrucutre-invite-your-team.md

@@ -128,7 +128,7 @@ Click on the gear icon of the War Room's name in the top of the page to do that.
 2. To **include an existing node** to a War Room or **connect a new node\*** click on **Nodes** tab. Choose any connected node you want to add to this War Room by clicking on the checkbox next to its hostname, then click **+ Add** at the top of the panel.
 
 3. To **add existing users to a War Room**, click on **Add Users**.
-   See our [invite doc](#invite-your-team.md) for details on inviting new users to your Space in Netdata Cloud.
+   See our [invite section](#invite-your-team) for details on inviting new users to your Space in Netdata Cloud.
 
 > #### Note
 >

docs/contributing/style-guide.md

@@ -31,9 +31,6 @@ emoji.
 The same idea about voice and tone applies to organizations, too. Our voice shouldn't change much between two pieces of
 content, no matter who wrote each, but the tone might be quite different based on who we think is reading.
 
-For example, a [blog post](https://www.netdata.cloud/blog/) and a [press release](https://www.netdata.cloud/news/)
-should have a similar voice, despite most often being written by different people. However, blog posts are relaxed and
-witty, while press releases are focused and academic. You won't see any emoji in a press release.
 
 ### Voice
 

docs/getting-started/introduction.md

@@ -168,10 +168,9 @@ You can also find Netdata on:
 
 Contributions are the lifeblood of open-source projects. While we continue to invest in and improve Netdata, we need help to democratize monitoring!
 
-- Read our [Contributing Guide](https://github.com/netdata/.github/blob/main/CONTRIBUTING.md), which contains all the information you need to contribute to Netdata, such as improving our documentation, engaging in the community, and developing new features. We've made it as frictionless as possible, but if you need help, just ping us on our community forums!
-- We have a whole category dedicated to contributing and extending Netdata on our [community forums](https://community.netdata.cloud/c/agent-development/9)
+- Check our [Security Policy](https://github.com/netdata/netdata/security/policy).
 - Found a bug? Open a [GitHub issue](https://github.com/netdata/netdata/issues/new?assignees=&labels=bug%2Cneeds+triage&template=BUG_REPORT.yml&title=%5BBug%5D%3A+).
-- View our [Security Policy](https://github.com/netdata/netdata/security/policy).
+- Read our [Contributing Guide](https://github.com/netdata/.github/blob/main/CONTRIBUTING.md), which contains all the information you need to contribute to Netdata, such as improving our documentation, engaging in the community, and developing new features. We've made it as frictionless as possible, but if you need help, just ping us on our community forums!
 
 Package maintainers should read the guide on [building Netdata from source](https://github.com/netdata/netdata/blob/master/packaging/installer/methods/source.md) for
 instructions on building each Netdata component from source and preparing a package.

docs/guides/monitor-hadoop-cluster.md

@@ -179,7 +179,6 @@ The Netdata community helped us create sane defaults for alerts related to both
 investigate these to ensure they work well with your Hadoop implementation.
 
 -   [HDFS alerts](https://raw.githubusercontent.com/netdata/netdata/master/health/health.d/hdfs.conf)
--   [Zookeeper alerts](https://raw.githubusercontent.com/netdata/netdata/master/health/health.d/zookeeper.conf)
 
 You can also access/edit these files directly with `edit-config`:
 

docs/quickstart/infrastructure.md

@@ -220,7 +220,7 @@ collect from across your infrastructure with Netdata.
   - [Events Feed](https://github.com/netdata/netdata/blob/master/docs/cloud/insights/events-feed.md)
 - Management and settings
   - [Sign in with email, Google, or GitHub](https://github.com/netdata/netdata/blob/master/docs/cloud/manage/sign-in.md)
-  - [Invite your team](hhttps://github.com/netdata/netdata/blob/master/docs/cloud/manage/organize-your-infrastrucutre-invite-your-team.md#invite-your-team)
+  - [Invite your team](https://github.com/netdata/netdata/blob/master/docs/cloud/manage/organize-your-infrastrucutre-invite-your-team.md#invite-your-team)
   - [Choose your Netdata Cloud theme](https://github.com/netdata/netdata/blob/master/docs/cloud/manage/themes.md)
   - [Role-Based Access](https://github.com/netdata/netdata/blob/master/docs/cloud/manage/role-based-access.md)
   - [Paid Plans](https://github.com/netdata/netdata/blob/master/docs/cloud/manage/plans.md)