update db url from rocket config

server/Cargo.toml

@@ -25,6 +25,6 @@ features = [
     "diesel_mysql_pool", 
     "json", 
     "tera_templates", 
-    "serve"
+    "serve",
 ]
 

server/Rocket.toml

@@ -8,5 +8,5 @@ address="localhost"
 port=8080
 templates_dir="static/html/"
 
-[global.databases.sqlite_dtabase]
-url = "mysql://freechat:password@localhost/freechat_server"
+[global.databases.freechat_sample_db ]
+url = "mysql://freechat_dev:password@localhost:3306/freechat_sample_db"