removed unneeded ref to font-awesome, added compression, ttl for static files, several small cleanups on labels, etc. for lighthouse improvements

TODO

@@ -1,5 +1,11 @@
 ## GENERAL
-    * face locations --  START FORM SCRATCH for prod so all images have face_locn data
+    * get build process to create a random string for secret for PROD, otherwise use builtin for dev
+
+    * lighthouse -> leverage this for cache control for static...
+            https://www.kite.com/python/docs/flask.Flask.get_send_file_max_age
+
+    * comment your code
+        * html files?
 
     * per file you could select an unknown face and add it as a ref img to an existing person, or make a new person and attach?
     * from menu, we could try to get smart/fancy... say find face with largest size, check it vs. other faces, if it matches more than say 10? we offer it up as a required ref img, then cut that face (with margin) out and use it is a new ref image / person
@@ -7,8 +13,6 @@
             https://www.pyimagesearch.com/2018/07/09/face-clustering-with-python/
 
     * fix up logging in general
-    * comment your code
-        * html files?
 ## DB	
     * Dir can have date in the DB, so we can do Oldest/Newest dirs in Folder view
 
@@ -29,6 +33,7 @@
         Admin
             -> delete old jobs / auto delete jobs older than ???
             -> do I want to have admin roles/users?
+            -> purge deleted files (and associated DB data)
 
 ### AI
     * faces per file (need a threshold for too many? OR