Update panic.md

Author: DeveloperTryingToCodeLikeOtherOfThem

docs/panic.md

@@ -5,8 +5,13 @@ is a hard crash type of panic, not a regular type
 of error. 
 
 The `control.panic` implementation is written like this in the runtime.
-``` ts
+TypeScript: ``` ts
    export function panic(code: number) {
             U.userError("PANIC! Code " + code) // throw a panic code to the problems pane
    }
-```
+
+C++: ```
+   void pxtrt::panic(int code) {
+     soft_panic(code); // because this is a high level panic function, it calls the safe normal panic, not a hard crash panic
+   }
+     ```