chg: usr: re-implement the waiting for opponent dialog - refactor its gfx - & add online user selection dialog #4

package.json

@@ -13,7 +13,10 @@
     "license": "UNLICENSED",
     "private": true,
     "dependencies": {
+        "@emotion/react": "^11.14.0",
+        "@emotion/styled": "^11.14.1",
         "@fortawesome/fontawesome-free": "^5.2.0",
+        "@mui/material": "^9.0.0",
         "@tanstack/react-query": "^5.0.0",
         "howler": "^2.1.2",
         "lodash": "^4.18.1",