remove babel-jest

babel-jest ran but caused build issues. replaced with ts-jest

package.json

@@ -10,7 +10,6 @@
     "test": "jest"
   },
   "dependencies": {
-    "@babel/preset-typescript": "^7.12.1",
     "date-fns": "^2.16.1",
     "ics": "^2.26.1",
     "mongoose": "^5.10.13",
@@ -19,6 +18,7 @@
     "react": "^17.0.1",
     "react-calendar": "^3.2.0",
     "react-dom": "^17.0.1",
+    "ts-jest": "^26.4.3",
     "uuid": "^8.3.1"
   },
   "devDependencies": {
@@ -28,12 +28,16 @@
     "@types/react": "^16.9.56",
     "@types/react-calendar": "^3.1.2",
     "@types/uuid": "^8.3.0",
-    "babel-jest": "^26.6.3",
     "jest": "^26.6.3",
     "postcss-flexbugs-fixes": "^5.0.0",
     "postcss-preset-env": "^6.7.0",
     "swr": "^0.3.8",
     "tailwindcss": "^1.9.6",
     "typescript": "^4.0.5"
+  },
+  "jest": {
+    "transform": {
+      "^.+\\.(ts|tsx)$": "ts-jest"
+    }
   }
 }