Revise contributing instructions for app curation

Updated contributing guidelines for submitting install scripts.

Author: jerodfritz

docs/install-scripts/contributing.md

@@ -1,6 +1,9 @@
 # Contributing a new app
 
+If you would like to contribute your curation to the official HexOS app curations you can follow this guide, or just share your install script in our forums:
 1. Test your custom curation in HexOS and verify it works
-2. Add your install script JSON file to `docs/public/install-scripts/<app>.json`
-3. Submit a PR.  In your PR description, include any callouts (unique mounts, GPU usage, special env, etc.).
-
+2. Click [Here](https://github.com/eshtek/hexos-docs/new/main/docs/public/install-scripts)
+3. Click the green "Fork this repository"
+4. Paste the contents of your install script into the editor and press the green "Commit Changes"
+5. Click the green "Create pull request" on the following page
+6. In your PR description, include any callouts (unique mounts, GPU usage, special env, etc.)