Updated contribution guidelines

CONTRIBUTING.md

@@ -3,40 +3,46 @@
 This document outlines how to propose a change to AndrodIDE. By contributing to this project, you
 agree to abide the terms specified in [CODE OF CONDUCT](./CODE_OF_CONDUCT.md).
 
-## Propose a change
+## Requirements
 
-To contribute to this project,
+- Android Studio.
+- JDK 11 (prefer the one bundled with Android Studio). Newer versions are not recommended.
 
-- Fork the repo.
-- Clone the forked repo to your local machine.
-- Open the project in Android Studio.
-- Make your changes.
-- Create a pull request.
+## Build the project.
 
-## Note
+Open the project in Android Studio. No extra steps are needed for this.
 
-`Java 11` is required to build the project.
-
-Building AndroidIDE in AndroidIDE itself is also possible. But that might require some
-modifications.
-
-If you face `AAPT2` issue while building AndroidIDE in the IDE itself, specify
-the `android.aapt2FromMavenOverride` property in `gradle.properties` with location of `aapt2` binary
-from Android SDK. However, this is an **experimental** property.
+It is possible to build AndroidIDE in AndroidIDE iteself. But, as it might a too heavy task for an Android device to build the AndroidIDE project, Android Studio is always recommended.
 
 ## Source code format
 
 The source code must have `2-space` indentation (soft tab). Java source code is formatted
-using `google-java-format` with `GOOGLE` style formatting. You can
+using `google-java-format` with `GOOGLE` style formatting.
+
+You can
 execute `./gradlew formatJavaSources` in terminal to format all Java source files using Google Java
 Format.
 **This will commit the changes as well**.
 
+## Propose a change
+
+Before proposing a change, it is always recommended to open an issue and discuss it with the maintainers.
+
+To contribute to this project,
+
+- Fork the repo.
+- Clone the forked repo to your local machine.
+- Open the project.
+- Make your changes.
+- Create a pull request. Give a proper title and description to your PR.
+
 ## Issues & Pull requests
 
 Use the issue/PR templates when possible. Provide a proper title and a clear description for the
 issue/PR. For bug reports, provide a step-by-step procedure to reproduce the issue. Always put crash
 logs, build outputs, etc in `code blocks`.
 
+
+## Contact us
 If you want to discuss anything about the project, you can discuss it in
 the [Telegram group](https://t.me/androidide_discussions).