docs: update README.md

README.md

@@ -1,2 +1,24 @@
-# audio-extraction-tool
+# Audio Extraction Tool
 Simple Python script to extract audio from videos
+
+## Getting started
+
+1. Make sure you have Python and Git installed on your computer
+2. Clone the repository and navigate into the project root
+    ```bash
+    $ git clone https://github.com/nc1z/audio-extraction-tool.git
+    $ cd audio-extraction-tool/
+    ```
+2. Run the command
+
+    ```bash
+    $ pip install moviepy
+    ```
+
+3. Place your mp4 videos into `./input`
+4. Run the command
+
+    ```bash
+    $ python main.py
+    ```
+5. The extracted audio files will be found in `./output`