chore: add project dependencies and configuration files

Initial setup of project dependencies including axios, express, dotenv, and other supporting packages. Added configuration files and documentation for project setup and usage.

node_modules/form-data/index.d.ts

@@ -0,0 +1,62 @@
+// Definitions by: Carlos Ballesteros Velasco <https://github.com/soywiz>
+//                 Leon Yu <https://github.com/leonyu>
+//                 BendingBender <https://github.com/BendingBender>
+//                 Maple Miao <https://github.com/mapleeit>
+
+/// <reference types="node" />
+import * as stream from 'stream';
+import * as http from 'http';
+
+export = FormData;
+
+// Extracted because @types/node doesn't export interfaces.
+interface ReadableOptions {
+  highWaterMark?: number;
+  encoding?: string;
+  objectMode?: boolean;
+  read?(this: stream.Readable, size: number): void;
+  destroy?(this: stream.Readable, error: Error | null, callback: (error: Error | null) => void): void;
+  autoDestroy?: boolean;
+}
+
+interface Options extends ReadableOptions {
+  writable?: boolean;
+  readable?: boolean;
+  dataSize?: number;
+  maxDataSize?: number;
+  pauseStreams?: boolean;
+}
+
+declare class FormData extends stream.Readable {
+  constructor(options?: Options);
+  append(key: string, value: any, options?: FormData.AppendOptions | string): void;
+  getHeaders(userHeaders?: FormData.Headers): FormData.Headers;
+  submit(
+    params: string | FormData.SubmitOptions,
+    callback?: (error: Error | null, response: http.IncomingMessage) => void
+  ): http.ClientRequest;
+  getBuffer(): Buffer;
+  setBoundary(boundary: string): void;
+  getBoundary(): string;
+  getLength(callback: (err: Error | null, length: number) => void): void;
+  getLengthSync(): number;
+  hasKnownLength(): boolean;
+}
+
+declare namespace FormData {
+  interface Headers {
+    [key: string]: any;
+  }
+
+  interface AppendOptions {
+    header?: string | Headers;
+    knownLength?: number;
+    filename?: string;
+    filepath?: string;
+    contentType?: string;
+  }
+
+  interface SubmitOptions extends http.RequestOptions {
+    protocol?: 'https:' | 'http:';
+  }
+}