ci: enable depcheck and fix dependency and linter issues (#233)

* ci: enable depcheck and fix dependency and linter issues

* chore: lock dependency versions

* chore: update dependencies to latest working ones

* chore: fix deprecation createMuiTheme

* chore: revert notistack to v1

.eslintrc

@@ -8,7 +8,9 @@
     "plugin:@typescript-eslint/recommended",
     "prettier",
     "plugin:prettier/recommended",
-    "plugin:react/recommended"
+    "plugin:react/recommended",
+    "react-app",
+    "react-app/jest"
   ],
   "env": {
     "browser": true,