hotfix: magiclink dynamic email redirection url (#67)

* chore: modified magiclink /signin function to work with origin

* chore: modified testcases for signInMagicLink to reflect new changes

* chore: removed prisma migration file

* chore: removed admin module dulicate from guards folder

* chore: implemented ENUMs for origins in signin method

* chore: added VITE_ADMIN_URL to .env.example file

packages/hoppscotch-backend/src/auth/helper.ts

@@ -11,6 +11,11 @@ enum AuthTokenType {
   REFRESH_TOKEN = 'refresh_token',
 }
 
+export enum Origin {
+  ADMIN = 'admin',
+  APP = 'app',
+}
+
 /**
  * This function allows throw to be used as an expression
  * @param errMessage Message present in the error message