docs: Update docs readme with all links (#15291)

docs/README.md

@@ -1,24 +1,87 @@
-# Telegraf
+# Telegraf Documentation
 
-- Concepts
-  - [Metrics][metrics]
-  - [Input Data Formats][parsers]
-  - [Output Data Formats][serializers]
-  - [Aggregators & Processors][aggproc]
-- Administration
-  - [Configuration][conf]
-  - [Profiling][profiling]
-  - [Windows Service][winsvc]
-  - [FAQ][faq]
-- Developer Builds
-  - [Nightlies][nightlies]
+* [FAQ][]
+* [Install Guide][]
+* [Quick Start][]
 
-[conf]: /docs/CONFIGURATION.md
-[metrics]: /docs/METRICS.md
-[parsers]: /docs/DATA_FORMATS_INPUT.md
-[serializers]: /docs/DATA_FORMATS_OUTPUT.md
-[aggproc]: /docs/AGGREGATORS_AND_PROCESSORS.md
-[profiling]: /docs/PROFILING.md
-[winsvc]: /docs/WINDOWS_SERVICE.md
-[faq]: /docs/FAQ.md
-[nightlies]: /docs/NIGHTLIES.md
+## Usage
+
+* [Commands and Flags][]
+* [Configuration][]
+* [Docker][]
+* [Windows Service][]
+* [Releases][]
+* [Supported Platforms][]
+
+## Plugins
+
+* [Aggregators][]
+* [External Plugins][]
+* [Inputs][]
+  * [SQL Drivers Input][]
+* [Parsers: Input Data Formats][]
+* [Outputs][]
+* [Serializers: Output Data Formats][]
+* [Processors][]
+
+## Developers
+
+* [Custom Builds][]
+* [Integration Tests][]
+* [License of Dependencies][]
+* [Nightlies][]
+* [Profiling][]
+
+## Reference
+
+* [Aggregators & Processors][]
+* [AppArmor][]
+* [Metrics][]
+* [Parsing Data][]
+* [Template Pattern][]
+* [TOML][]
+* [TLS][]
+
+## Blog Posts
+
+* [Common Expression Language][]
+* [Config Recommendations and Performance Monitoring][]
+* [Deploying Telegraf via Docker Compose][]
+* [Reduce Binary Size][]
+* [Storing Secrets][]
+
+[Aggregators & Processors]: /docs/AGGREGATORS_AND_PROCESSORS.md
+[Aggregators]: /docs/AGGREGATORS.md
+[AppArmor]: /docs/APPARMOR.md
+[Commands and Flags]: /docs/COMMANDS_AND_FLAGS.md
+[Configuration]: /docs/CONFIGURATION.md
+[Custom Builds]: /docs/CUSTOMIZATION.md
+[Parsers: Input Data Formats]: /docs/DATA_FORMATS_INPUT.md
+[Serializers: Output Data Formats]: /docs/DATA_FORMATS_OUTPUT.md
+[Docker]: /docs/DOCKER.md
+[External Plugins]: /docs/EXTERNAL_PLUGINS.md
+[FAQ]: /docs/FAQ.md
+[Inputs]: /docs/INPUTS.md
+[Install Guide]: /docs/INSTALL_GUIDE.md
+[Integration Tests]: /docs/INTEGRATION_TESTS.md
+[License of Dependencies]: /docs/LICENSE_OF_DEPENDENCIES.md
+[Metrics]: /docs/METRICS.md
+[Nightlies]: /docs/NIGHTLIES.md
+[Outputs]: /docs/OUTPUTS.md
+[Parsing Data]: /docs/PARSING_DATA.md
+[Processors]: /docs/PROCESSORS.md
+[Profiling]: /docs/PROFILING.md
+[Quick Start]: /docs/QUICK_START.md
+[Releases]: /docs/RELEASES.md
+[SQL Drivers Input]: /docs/SQL_DRIVERS_INPUT.md
+[Supported Platforms]: /docs/SUPPORTED_PLATFORMS.md
+[Template Pattern]: /docs/TEMPLATE_PATTERN.md
+[TLS]: /docs/TLS.md
+[TOML]: /docs/TOML.md
+[Windows Service]: /docs/WINDOWS_SERVICE.md
+
+[Config Recommendations and Performance Monitoring]: https://www.influxdata.com/blog/telegraf-best-practices/
+[Deploying Telegraf via Docker Compose]: https://www.influxdata.com/blog/telegraf-deployment-strategies-docker-compose/
+[Common Expression Language]: https://www.influxdata.com/blog/using-common-expression-language-metric-filtering-telegraf/
+[Storing Secrets]: https://www.influxdata.com/blog/storing-secrets-telegraf/
+[Reduce Binary Size]: https://www.influxdata.com/blog/how-reduce-telegraf-binary-size/