feat: Implement authentication with JWT

packages/backend/package.json

@@ -32,8 +32,11 @@
     "express-graphql": "^0.12.0",
     "flickr-sdk": "3.10.0",
     "googleapis": "89.0.0",
+    "graphql-middleware": "^6.1.15",
+    "graphql-shield": "^7.5.0",
     "graphql-type-json": "^0.3.2",
     "http-errors": "~1.6.3",
+    "jsonwebtoken": "^8.5.1",
     "knex": "^0.95.11",
     "lodash.get": "^4.4.2",
     "morgan": "^1.10.0",
@@ -74,6 +77,7 @@
     "@types/crypto-js": "^4.0.2",
     "@types/express": "^4.17.13",
     "@types/http-errors": "^1.8.1",
+    "@types/jsonwebtoken": "^8.5.8",
     "@types/lodash.get": "^4.4.6",
     "@types/morgan": "^1.9.3",
     "@types/node": "^16.10.2",