Add code editor

package.json

@@ -3,9 +3,14 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "@codemirror/lang-sql": "^6.5.0",
+    "@lezer/highlight": "^1.1.5",
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
+    "@uiw/codemirror-themes": "^4.20.2",
+    "@uiw/react-codemirror": "^4.20.2",
+    "codemirror": "^5.65.13",
     "jointjs": "^3.7.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",