Added README.md and requirements.txt

Author: gssaluja77

mp3 Downloader/README.md

@@ -0,0 +1,12 @@
+### Steps to execute the script (only for Windows OS):
+
+1. Check the chrome version you are using and install the chromedriver from [this](https://chromedriver.chromium.org/downloads) link.
+2. The path to the chromedriver should be `C:\\chromedriver.exe`
+3. Install the required packages from the requirements.txt file using the command `pip install -r requirements` in the terminal.
+4. Run the Python script
+5. A text file will be generated on the desktop
+6. Add the song names, one in each line.
+7. It will automatically download all the songs
+8. Don't interrupt the process while the downloads are in progress unless you want to stop the downloads.
+
+Happy coding!!