feat: new env variable for server URI

.env.example

@@ -1,6 +1,7 @@
 
 GUARD_PORT=3001
 GUARD_HOST="127.0.0.1"
+GUARD_URI="http://localhost:3001"
 
 GUARD_DB_URL="postgres://<user>:<user>@<host>:<port>/<db>?sslmode=disable"
 
@@ -11,7 +12,6 @@ GUARD_ADMIN_PASSWORD="secret"
 GUARD_JWT_PRIVATE="rsa"
 GUARD_JWT_PUBLIC="rsa"
 GUARD_JWT_KID="my-rsa-key-1"
-GUARD_JWT_ISSUER="http://localhost:3001"
 
 GUARD_MINIO_ENDPOINT="localhost:9000"
 GUARD_MINIO_ACCESS_KEY=""
@@ -20,5 +20,3 @@ GUARD_MINIO_SECRET_KEY=""
 GOOSE_DRIVER="postgres"
 GOOSE_DBSTRING=$DATABASE_URL
 GOOSE_MIGRATION_DIR="./migrations"
-
-