Sync common files to ops and ha guides

These guides include the common files, sync them over.

Do not sync translations since the setup for translations in those
guides is different (using normal doc/source translations).

Change-Id: Ida91e12efae44fd52a01a584d721c13d0a589c2a

projects.txt

@@ -1 +1,3 @@
 openstack/security-doc
+openstack/ha-guide
+openstack/operations-guide

tools/sync-projects.sh

@@ -49,6 +49,9 @@ case "$PROJECT_DIR" in
         copy_rst common
         copy_rst_trans common
         ;;
+    ha-guide|operations-guide)
+        copy_rst doc/source/common
+        ;;
     *)
         echo "$PROJECT_DIR not handled"
         exit 1