docs: update to TIP

README.md

@@ -18,7 +18,7 @@ services:
       game: "cstrike"
 ```
 
-> [!IMPORTANT]  
+> [!TIP]  
 > Possible options include Half-Life Deathmatch (`valve`), Counter-Strike (`cstrike`), Counter-Strike Condition Zero (`czero`), Deathmatch Classic (`dmc`), Opposing Force (`gearbox`), Ricochet (`ricochet`), Day of Defeat (`dod`), and Team Fortress Classic (`tfc`).
 
 2. Build the image.