Add .gitignore to exclude all node packages and lock files

skills/remotion-prompt-video/node_modules/@remotion/web-renderer/dist/background-keepalive.d.ts

@@ -0,0 +1,9 @@
+import { type LogLevel } from 'remotion';
+export type BackgroundKeepalive = {
+    waitForTick: () => Promise<void>;
+    [Symbol.dispose]: () => void;
+};
+export declare function createBackgroundKeepalive({ fps, logLevel }: {
+    fps: number;
+    logLevel: LogLevel;
+}): BackgroundKeepalive;