Initial commit & basic panel structure

package.json

@@ -3,13 +3,18 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "@testing-library/jest-dom": "^4.2.4",
-    "@testing-library/react": "^9.5.0",
-    "@testing-library/user-event": "^7.2.1",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
     "react-scripts": "3.4.1"
   },
+  "devDependencies": {
+    "@types/react": "^16.9.38",
+    "@types/react-dom": "^16.9.8",
+    "tslint": "^6.1.2",
+    "typescript": "^3.9.5",
+    "node-sass": "^4.14.1",
+    "autoprefixer": "^9.8.2"
+  },
   "scripts": {
     "start": "react-scripts start",
     "build": "react-scripts build",
@@ -21,9 +26,7 @@
   },
   "browserslist": {
     "production": [
-      ">0.2%",
-      "not dead",
-      "not op_mini all"
+      "since 2010"
     ],
     "development": [
       "last 1 chrome version",