Add .gitignore to exclude all node packages and lock files

skills/remotion-prompt-video/node_modules/@remotion/renderer/dist/mux-video-and-audio.d.ts

@@ -0,0 +1,14 @@
+import type { CancelSignal } from './make-cancel-signal';
+export declare const muxVideoAndAudio: ({ videoOutput, audioOutput, output, indent, logLevel, onProgress, binariesDirectory, fps, cancelSignal, addFaststart, metadata, }: {
+    videoOutput: string | null;
+    audioOutput: string | null;
+    output: string;
+    indent: boolean;
+    logLevel: "error" | "info" | "trace" | "verbose" | "warn";
+    binariesDirectory: string | null;
+    fps: number;
+    onProgress: (p: number) => void;
+    cancelSignal: CancelSignal | undefined;
+    addFaststart: boolean;
+    metadata?: Record<string, string> | null | undefined;
+}) => Promise<void>;