Add Oxlint configuration and integrate linting commands

- Introduced a new `.oxlintrc.json` file to configure Oxlint for code quality checks.
- Updated `package.json` to include linting scripts (`lint` and `lint:fix`) for easier code maintenance.
- Enhanced documentation in `README` files to guide users on running Oxlint checks and applying fixes.

src/strategy/grid-engine.ts

@@ -461,7 +461,7 @@ export class GridEngine {
     return false;
   }
 
-  private async haltGrid(price: number): Promise<void> {
+  private async haltGrid(_price: number): Promise<void> {
     if (!this.running) return;
     const reason = this.stopReason ?? "触发网格止损";
     this.log("warn", `${reason}，开始执行平仓与撤单`);