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README.md

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 # Github Downloader
 Find and download files from multiple Github repositories
+
+## Requirements
+    pip install PyGithub`
+
+## Usage
+    git_downloader.py [-h] [-r REPO_FILE] [-w WILDCARD] [-o OUTPUT_DIR]
+                             [-t TIMEOUT] [-v]
+
+    Github file downloader
+
+    optional arguments:
+      -h, --help            show this help message and exit
+      -r REPO_FILE, --repo_file REPO_FILE
+                            Path for the input file which contains a url of a
+                            Github repository for each separate line
+      -w WILDCARD, --wildcard WILDCARD
+                            Unix shell-style wildcard to match files to download
+                            (for example: *.txt)
+      -o OUTPUT_DIR, --output_dir OUTPUT_DIR
+                            Directory to store all downloaded files
+      -t TIMEOUT, --timeout TIMEOUT
+                            Socket timeout (seconds)
+      -v, --verbose         increase output verbosity