Start adding Typescript support

package.json

@@ -23,7 +23,7 @@
     "manage:translations": "node ./webpack/translationRunner.js",
     "test": "${npm_execpath} run test:lint && ${npm_execpath} run test:jest",
     "test:lint": "${npm_execpath} run test:lint:js && ${npm_execpath} run test:lint:sass",
-    "test:lint:js": "npx eslint --ext=js . --cache",
+    "test:lint:js": "npx eslint --ext .js,.jsx,.ts,.tsx . --cache",
     "test:lint:sass": "npx stylelint app/styles/**/*.scss",
     "test:jest": "npx jest --coverage",
     "prepare": "husky install"
@@ -85,6 +85,7 @@
     "escape-html": "^1.0.3",
     "exif-js": "^2.3.0",
     "feather-icons": "^4.28.0",
+    "fork-ts-checker-webpack-plugin": "^6.4.0",
     "html-webpack-harddisk-plugin": "^2.0.0",
     "html-webpack-plugin": "^5.3.2",
     "http-link-header": "^1.0.2",
@@ -151,9 +152,10 @@
     "terser-webpack-plugin": "^5.2.3",
     "tiny-queue": "^0.2.1",
     "ts-jest": "^27.0.5",
+    "ts-loader": "^9.2.6",
     "tslib": "^2.3.1",
     "twemoji": "https://github.com/twitter/twemoji#v13.0.2",
-    "typescript": "^4.0.3",
+    "typescript": "^4.4.4",
     "util": "^0.12.4",
     "uuid": "^8.3.2",
     "webpack": "^5.52.0",