state sync, many changes:

* separated css/js/rule files to pak file (glorified zip) to reduce full rebuilds
* implemented build cache
* some frontend UI spiffing up

app/pylocal/desktop.py

@@ -5,8 +5,10 @@ from . import core
 path_storagedir = pathlib.Path()
 
 class JS_API:
-    def __init__(self):
-        self.debug_mode = False
+    debug_mode = False
+
+    def __init__(self, debug_mode=False):
+        self.debug_mode = debug_mode
 
     def load_data(self, key):
         if not (path_storagedir / key).exists():