Cleanup and update

[moqmar]

There's now a nicer README also with instructions on how to build using Conda as a package manager, the build doesn't throw warnings and is compatible with current and future JetBrains versions.

Potentially blocking issues I'll look into next week before merging:

• [x] Gradle warning about a task that isn't specified in the build.gradle:

  > Task :instrumentTestCode
  Execution optimizations have been disabled for task ':instrumentTestCode' to ensure correctness due to the following reasons:
   - Gradle detected a problem with the following location: 'C:\Users\XOMMARQU\Documents\bitbake-intellij-plugin\build\instrumented'. Reason: Task ':jar' uses this output of task ':instrumentTestCode' without declaring an explicit or implicit dependency. This can lead to incorrect results being produced, depending on what order the tasks are executed. Please refer to https://docs.gradle.org/7.4.2-20220401100633+0000/userguide/validation_problems.html#implicit_dependency for more details about this problem.

• [x] I'm using untilBuild = '999.*' and the default changeNotes, that way the build will work a very long time, but I am not sure how the JetBrains Marketplace handles those parameters.
• [x] Indentation in gradle.build should be checked again, something weird happened there.

[moqmar]

Regarding untilBuild = '999.*', it seems to be possible to just leave it away and set intellij.updateSinceUntilBuild = false instead, marking it compatible with all possible future versions.

[moqmar]

The gradle warning is an upstream issue: https://github.com/JetBrains/gradle-intellij-plugin/issues/1000