feat: polish

.env.example

@@ -0,0 +1,18 @@
+# Base URL of the Django REST backend.
+#
+#   - '/api'                         same-origin. The Vite dev server proxies
+#                                    this prefix to VITE_API_PROXY_TARGET (see
+#                                    below); in production your web server
+#                                    routes /api to Django.
+#   - 'http://localhost:8000/api'    talk to Django directly. CORS must be
+#                                    enabled there. No proxy is registered.
+VITE_API_BASE_URL=/api
+
+# Where the dev server should proxy API requests when VITE_API_BASE_URL is a
+# relative path. Ignored for absolute URLs or when mocking.
+VITE_API_PROXY_TARGET=http://localhost:8000
+
+# When set to 'true', the Vite dev server serves a fake backend from
+# mocks/vitePlugin.ts. No Django required. The real backend (if any) is
+# ignored in that case.
+VITE_USE_MOCK_API=false