Updated README to add part about contributing

This should be the last commit directly to master BESIDES branch merges.

README.md

@@ -1,5 +1,9 @@
 # Snoot Game
 
+<h1>Contributing</h1>
+<p>Find an issue and start working. Creating issues is very helpful. Simply emailing patches/updated versions of the script works too. <b>All PRs/Contributions to the main code should go to the patch branch and NOT master as to leave master a stable branch</b>. All contributions belong to you, but are licensed under the GNU AGPL v3.</p>
+
+
 <h1>Supported OSes</h1>
 <ol>
 <li>Gahnoo/Loonux</li>