added jsonwebtoken dependency

ref #1

package.json

@@ -7,11 +7,13 @@
 	"license": "MIT",
 	"dependencies": {
 		"express": "^4.17.1",
+		"jsonwebtoken": "^8.5.1",
 		"typeorm": "^0.2.29"
 	},
 	"devDependencies": {
 		"@types/dotenv-safe": "^8.1.1",
 		"@types/express": "^4.17.9",
+		"@types/jsonwebtoken": "^8.5.0",
 		"@types/node": "^14.14.9",
 		"dotenv-safe": "^8.2.0",
 		"nodemon": "^2.0.6",