adding drupal git ignore

Author: cranmer

.gitignore

@@ -0,0 +1,36 @@
+# Ignore configuration files that may contain sensitive information.
+sites/*/*settings*.php
+
+# Ignore paths that contain generated content.
+files/
+sites/*/files
+sites/*/private
+
+# Ignore default text files
+robots.txt
+/CHANGELOG.txt
+/COPYRIGHT.txt
+/INSTALL*.txt
+/LICENSE.txt
+/MAINTAINERS.txt
+/UPGRADE.txt
+/README.txt
+sites/all/README.txt
+sites/all/modules/README.txt
+sites/all/themes/README.txt
+
+# Ignore everything but the "sites" folder ( for non core developer )
+.htaccess
+web.config
+authorize.php
+cron.php
+index.php
+install.php
+update.php
+xmlrpc.php
+/includes
+/misc
+/modules
+/profiles
+/scripts
+/themes