docs/goals.md: add VictoriaMetrics goals and non-goals page

Everybody who works on VictoriaMetrics must be aware of these goals and non-goals

docs/CONTRIBUTING.md

@@ -29,6 +29,7 @@ If you like VictoriaMetrics and want to contribute, then it would be great:
 
 Before sending a pull request to [VictoriaMetrics repository](https://github.com/VictoriaMetrics/VictoriaMetrics/) please make sure it **conforms all** the following checks:
 
+- The pull request conforms [VictoriaMetrics goals](https://docs.victoriametrics.com/goals/).
 - The pull request conforms [`KISS` principle](https://en.wikipedia.org/wiki/KISS_principle). See [these docs](#kiss-principle) for more details.
 - The pull request contains clear description of the change, with links to the related GitHub issues and [docs](https://docs.victoriametrics.com/), if needed.
 - Commit messages contain concise yet clear descriptions. Include links to related GitHub issues in commit messages, if such issues exist.

docs/Troubleshooting.md

@@ -92,7 +92,7 @@ then please follow the following steps in order to quickly find the solution:
    from VictoriaMetrics community. If the linked resources have no enough information,
    then it is better posting the missing information in the web resource before providing links
    to this information in Slack chat. This will simplify searching for this information in the future
-   for VictoriaMetrics users via Google and ChatGPT :)
+   for VictoriaMetrics users via Google and [Perplexity](https://www.perplexity.ai/).
 
 1. Pro tip 3: if you are answering somebody's question about VictoriaMetrics components
    at GitHub issues / Slack chat / StackOverflow, then the best answer is a direct link to the information

docs/goals.md

@@ -0,0 +1,37 @@
+---
+sort: 500
+weight: 500
+title: VictoriaMetrics goals
+menu:
+  docs:
+    parent: 'victoriametrics'
+    weight: 500
+---
+
+# Goals
+
+VictoriaMetrics project is aimed towards the following goals:
+
+1. **The main goal** - to help customers and users resolving issues with VictoriaMetrics components, so they could use these components
+   in the most efficient way.
+1. Fixing bugs in the essential functionality of VictoriaMetrics components. Small usability bugs are usually the most annoying,
+   so they **must** be fixed first.
+1. Improving [docs](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/docs) for VictoriaMetrics components,
+   so users could find answers to their questions via Google or [Perplexity](https://www.perplexity.ai/) without the need
+   to ask these questions at our [support channels](https://docs.victoriametrics.com/#community-and-contributions).
+1. Simplifying usage of VictoriaMetrics components without breaking backwards compatibility, so users could regularly
+   upgrade to [the latest available release](https://docs.victoriametrics.com/CHANGELOG.html) and remain happy.
+1. Improving **the essential functionality** of VictoriaMetrics components.
+1. Improving the readability and maintainability of the code base by removing unnecessary abstractions and simplifying the code whenever possible.
+1. Improving development velocity by optimizing CI/CD tasks, so they take less time.
+
+# Non-goals
+
+1. Adding non-trivial features, which require significant changes in the code and the architecture.
+   Such features may break the essential functionality of VictoriaMetrics components, so a big share
+   of the existing users may become unhappy after the upgrade.
+1. Adding unnecessary abstractions, since they may worsen project maintainability in the future.
+1. Implementing all the features users ask. These features should fit [the goals](#goals) of VictoriaMetrics. Other features must be closed as `won't implement`.
+1. Merging all the pull requests users submit. These pull requests should fit [the goals](#goals) of VictoriaMetrics. Other pull requests must be closed as `won't merge`.
+1. Slowing down CI/CD pipelines with non-essential tasks, since this results in development velocity slowdown.
+1. Slowing down development velocity with non-essential requirements.