add api key support

Author: Jalkhov

README.md

@@ -25,6 +25,7 @@ $ octodir
   * **Example:** `https://github.com/Jalkhov/octodir/tree/stable/octodir`
 * **Output folder**: Absolute path of the output directory
   * You can enter a dot to download in the current working directory
+* **API key**: Personal Github Token for prevent requests limit
 
 ## In code
 
@@ -33,8 +34,9 @@ from octodir import Octodir
 
 target = 'https://github.com/Jalkhov/Octodir/tree/stable/octodir'
 folder = '.' # Current working directory
+api_key = '<PERSONAL_GITHUB_TOKEN>'
 
-Octo = Octodir(target, folder)
+Octo = Octodir(target, folder, api_key=api_key)
 Octo.dowload_folder()
 ```
 

octodir/octodir_cli.py

@@ -5,8 +5,9 @@
 @click.command()
 @click.option("--folder_url", prompt="Full folder url", help="Full url from the folder to download")
 @click.option("--output_folder", prompt="Output folder", help="Folder where files will be downloaded")
-def octodir_cli(folder_url, output_folder):
-    x = Octodir(folder_url, output_folder)
+@click.option("--api-key", prompt=True, hide_input=True, help="API key for authentication")
+def octodir_cli(folder_url, output_folder, api_key):
+    x = Octodir(folder_url, output_folder, api_key)
     x.dowload_folder()