Bump jsonwebtoken, firebase-admin and firebase-functions in /functions

Bumps [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken) to 9.0.0 and updates ancestor dependencies [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken), [firebase-admin](https://github.com/firebase/firebase-admin-node) and [firebase-functions](https://github.com/firebase/firebase-functions). These dependencies need to be updated together.


Updates `jsonwebtoken` from 8.1.0 to 9.0.0
- [Release notes](https://github.com/auth0/node-jsonwebtoken/releases)
- [Changelog](https://github.com/auth0/node-jsonwebtoken/blob/master/CHANGELOG.md)
- [Commits](https://github.com/auth0/node-jsonwebtoken/compare/v8.1.0...v9.0.0)

Updates `firebase-admin` from 8.6.0 to 11.4.1
- [Release notes](https://github.com/firebase/firebase-admin-node/releases)
- [Commits](https://github.com/firebase/firebase-admin-node/compare/v8.6.0...v11.4.1)

Updates `firebase-functions` from 3.2.0 to 3.24.1
- [Release notes](https://github.com/firebase/firebase-functions/releases)
- [Changelog](https://github.com/firebase/firebase-functions/blob/master/tsconfig.release.json)
- [Commits](https://github.com/firebase/firebase-functions/compare/v3.2.0...v3.24.1)

---
updated-dependencies:
- dependency-name: jsonwebtoken
  dependency-type: indirect
- dependency-name: firebase-admin
  dependency-type: direct:production
- dependency-name: firebase-functions
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

README.md

@@ -1,2 +1,14 @@
 # CS307-Team24
 CS307 Team 24 Twistter website
+
+### Images
+<p>
+  <img alt="00.png" src="./screenshots/00.png" width="1000">
+  <img alt="01.png" src="./screenshots/01.png" width="1000">
+  <img alt="02.png" src="./screenshots/02.png" width="1000">
+  <img alt="03.png" src="./screenshots/03.png" width="1000">
+  <img alt="04.png" src="./screenshots/04.png" width="1000">
+  <img alt="05.png" src="./screenshots/05.png" width="1000">
+  <img alt="06.png" src="./screenshots/06.png" width="1000">
+  <img alt="07.png" src="./screenshots/07.png" width="1000">
+</p>

functions/package.json

@@ -16,8 +16,8 @@
     "axios": "^0.19.0",
     "busboy": "^0.3.1",
     "firebase": "^6.6.2",
-    "firebase-admin": "^8.6.0",
-    "firebase-functions": "^3.1.0",
+    "firebase-admin": "^11.4.1",
+    "firebase-functions": "^3.24.1",
     "strip-ansi": "^5.2.0"
   },
   "devDependencies": {