React web UI with flask-socketio API (#429)

* Implements rudimentary api
* Fixes blocking in API
* Adds UI to monorepo > src/frontend/
* Updates frontend/README
* Reverts conda env name to `ldm`
* Fixes environment yamls
* CORS config for testing
* Fixes LogViewer position
* API WID
* Adds actions to image viewer
* Increases vite chunkSizeWarningLimit to 1500
* Implements init image
* Implements state persistence in localStorage
* Improve progress data handling
* Final build
* Fixes mimetypes error on windows
* Adds error logging
* Fixes bugged img2img strength component
* Adds sourcemaps to dev build
* Fixes missing key
* Changes connection status indicator to text
* Adds ability to serve other hosts than localhost
* Adding Flask API server
* Removes source maps from config
* Fixes prop transfer
* Add missing packages and add CORS support
* Adding API doc
* Remove defaults from openapi doc
* Adds basic error handling for server config query
* Mostly working socket.io implementation.
* Fixes bug preventing mask upload
* Fixes bug with sampler name not written to metadata
* UI Overhaul, numerous fixes

Co-authored-by: Kyle Schouviller <kyle0654@hotmail.com>
Co-authored-by: Lincoln Stein <lincoln.stein@gmail.com>

frontend/.gitignore

@@ -0,0 +1,25 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+# We want to distribute the repo
+# dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?