generateTmpVarName
import { generateTmpVarName } from "https://raw.githubusercontent.com/Hatscat/MetavaScript/main/index.ts";
temporary variable name generator
@example
// returns "$$state.player.hp$$"
generateTmpVarName("state.player.hp")
generateTmpVarName("state", "player", "hp")
function generateTmpVarName(...keysPath: string[]): string;