Implement basic execution system and UI

This is a rather large commit that includes all of the following:
- React UI with code editor, runtime renderer and input-output panes
- Language providers for a sample language and Brainfuck
- Implementation of code execution in a web worker
- All-at-once unabortable execution of program fully functional

package.json

@@ -1,9 +1,26 @@
 {
-  "name": "root",
+  "name": "esolang-park",
   "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  },
+  "dependencies": {
+    "@blueprintjs/core": "^3.51.3",
+    "@monaco-editor/react": "^4.3.1",
+    "monaco-editor": "^0.30.1",
+    "next": "12.0.7",
+    "react": "17.0.2",
+    "react-dom": "17.0.2",
+    "react-mosaic-component": "^5.0.0"
+  },
   "devDependencies": {
-    "@types/node": "^14.14.41",
-    "lerna": "^4.0.0",
-    "typescript": "^4.2.4"
+    "@types/node": "16.11.11",
+    "@types/react": "17.0.37",
+    "eslint": "8.4.0",
+    "eslint-config-next": "12.0.7",
+    "typescript": "4.5.2"
   }
 }