[jnigen] Top level project information files (https://github.com/dart-lang/jnigen/issues/6)

diff --git a/pkgs/jni_gen/AUTHORS b/pkgs/jni_gen/AUTHORS
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-# Below is a list of people and organizations that have contributed
-# to the Dart project. Names should be added to the list like so:
-#
-#   Name/Organization <email address>
-
-Google LLC
diff --git a/pkgs/jni_gen/CONTRIBUTING.md b/pkgs/jni_gen/CONTRIBUTING.md
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-# How to Contribute
-
-We'd love to accept your patches and contributions to this project. There are
-just a few small guidelines you need to follow.
-
-## Contributor License Agreement
-
-Contributions to this project must be accompanied by a Contributor License
-Agreement. You (or your employer) retain the copyright to your contribution;
-this simply gives us permission to use and redistribute your contributions as
-part of the project. Head over to <https://cla.developers.google.com/> to see
-your current agreements on file or to sign a new one.
-
-You generally only need to submit a CLA once, so if you've already submitted one
-(even if it was for a different project), you probably don't need to do it
-again.
-
-## Code reviews
-
-All submissions, including submissions by project members, require review. We
-use GitHub pull requests for this purpose. Consult
-[GitHub Help](https://help.github.com/articles/about-pull-requests/) for more
-information on using pull requests.
-
-## Community Guidelines
-
-This project follows [Google's Open Source Community
-Guidelines](https://opensource.google/conduct/) and the [Dart code of
-conduct](https://dart.dev/code-of-conduct).
diff --git a/pkgs/jni_gen/README.md b/pkgs/jni_gen/README.md
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-[![Build Status](https://github.com/dart-lang/jni_gen/workflows/Dart%20CI/badge.svg)](https://github.com/dart-lang/jni_gen/actions?query=workflow%3A%22Dart+CI%22+branch%3Amain)
-
 # Experimental generator for FFI+JNI bindings.
 
 This package will generate JNI code to invoke Java from C, and Dart FFI bindings to invoke this C code.
diff --git a/pkgs/jnigen/README.md b/pkgs/jnigen/README.md
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+[![Build Status](https://github.com/dart-lang/jni_gen/workflows/Dart%20CI/badge.svg)](https://github.com/dart-lang/jni_gen/actions?query=workflow%3A%22Dart+CI%22+branch%3Amain)
+
+## jni_gen
+
+This project intends to provide 2 packages to enable JNI interop from Dart & Flutter.
+
+| Package | Description |
+| ------- | --------- |
+| [jni](jni/) | Ergonomic C bindings to JNI C API and several helper methods |
+| [jni_gen](jni_gen/) | Tool to generate Dart bindings to Java code using FFI |
+
+This is a work-in-progress project under Google Summer of Code 2022 program.
+