Add initial experimental UI based on MUI

package.json

@@ -65,6 +65,8 @@
     "worker-loader": "3.0.8"
   },
   "dependencies": {
+    "@emotion/react": "11.10.5",
+    "@emotion/styled": "11.10.5",
     "@fontsource/noto-sans": "4.5.11",
     "@fontsource/noto-sans-hk": "4.5.12",
     "@fontsource/noto-sans-jp": "4.5.12",
@@ -73,6 +75,8 @@
     "@fontsource/noto-sans-tc": "4.5.12",
     "@jellyfin/sdk": "unstable",
     "@loadable/component": "5.15.3",
+    "@mui/icons-material": "5.10.14",
+    "@mui/material": "5.10.14",
     "blurhash": "2.0.5",
     "classlist.js": "https://github.com/eligrey/classList.js/archive/1.2.20180112.tar.gz",
     "classnames": "2.3.2",