Update CONTRIBUTION.md

CONTRIBUTION.md

@@ -1,5 +1,6 @@
 ## To contribute and test your changes. 
 
+### How to contribute
 1. Clone https://github.com/moaazsidat/react-native-qrcode-scanner
 2. Make changes
 3. Clone https://github.com/moaazsidat/react-native-qrcode-scanner-demo
@@ -8,3 +9,12 @@
     * Make changes to the local file `qrcodeScanner.js`, and import it https://github.com/moaazsidat/react-native-qrcode-scanner-demo/blob/master/index.ios.js#L17-L18
 5. Once tested, make a pull request against https://github.com/moaazsidat/react-native-qrcode-scanner
 6. Await review, and upon accepted review, merge to master. 
+
+### Where can I find stuff to contribute? 
+Navigate to Issues and filter by `good first issue` or `help wanted` labels
+* https://github.com/moaazsidat/react-native-qrcode-scanner/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22
+* https://github.com/moaazsidat/react-native-qrcode-scanner/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22
+
+### Active contributor
+This project is looking for active contributors, especially those well-versed with Android. 
+If you're interested in becoming an active contributor with write access, create an issue titled 'Active contributor', and create a pull request to address a couple of issues. If it goes well, I'd be happy to give write access to merge PRs to master.