Add a new command for applying github prs

assets/default/bin/gh-am

@@ -0,0 +1,16 @@
+#! /bin/bash
+# gh-am Applies a Github PR as a patch
+# Author: ViViDboarder
+set -e
+
+get_patch() {
+    local pr_url=$1
+    curl -L $pr_url.patch 2> /dev/null
+}
+
+main() {
+    local pr_url=$1
+    get_patch $pr_url | git am
+}
+
+main $*