feat(CodeEditor): enable dropcursor

package.json

@@ -29,11 +29,6 @@
     "email": "betterseqta@betterseqta.com",
     "url": "https://github.com/BetterSEQTA/BetterSEQTA-plus"
   },
-  "overrides": {
-    "svelte-hash-router": {
-      "svelte": "$svelte"
-    }
-  },
   "license": "MIT",
   "devDependencies": {
     "@crxjs/vite-plugin": "2.0.0-beta.25",
@@ -69,6 +64,8 @@
     "@types/sortablejs": "^1.15.8",
     "@types/uuid": "^9.0.8",
     "@types/webextension-polyfill": "^0.10.7",
+    "@uiw/codemirror-extensions-color": "^4.23.3",
+    "@uiw/codemirror-theme-github": "^4.23.3",
     "@vitejs/plugin-react": "^4.3.1",
     "autoprefixer": "^10.4.20",
     "classnames": "^2.5.1",