Moved to Angular v20 and Tailwind v4 plus all related dependencies

Renamed Docker directory.

Also serving static files from FastAPI.

ansible/files/Caddyfile

@@ -0,0 +1,24 @@
+{{ host }} {
+  # Match and proxy API routes
+  @apiRoutes {
+    path_regexp ^/(api|token|refresh|attendance-report|fingerprint-report|db-image)
+  }
+  handle @apiRoutes {
+    reverse_proxy @apiRoutes {{ host_directory }}:80
+  }
+
+  # Match requests that end with .js, .css, .ico, or .html
+  @staticFiles {
+    path_regexp \.(js|css|ico|html)$
+  }
+  handle @staticFiles {
+    rewrite * /static{uri}
+    reverse_proxy {{ host_directory }}:80
+  }
+
+  # All other frontend routes → /static/index.html
+  handle {
+    rewrite * /static/index.html
+    reverse_proxy {{ host_directory }}:80
+  }
+}