make README.md more descriptive

Author: fishercoder1534

README.md

@@ -10,10 +10,12 @@ _If you like this project, please give me a star._ ★
 Your ideas/fixes/algorithms are more than welcome!
 ```
 1. Fork this repo
-2. Create your feature branch (`git checkout -b my-awesome-feature`)
-3. Commit your changes (`git commit -am 'Added some awesome feature'`)
-4. Push to the branch (`git push origin my-awesome-feature`)
-5. Create a new Pull Request
+2. Clone your forked repo (`git clone https://github.com/YOUR_GITHUB_USERNAME/Leetcode.git`) onto your local machine
+3. `cd` into your cloned directory, create your feature branch (`git checkout -b my-awesome-fix`)
+4. `git add` your desired changes to this repo
+5. Commit your changes (`git commit -m 'Added some awesome features/fixes'`)
+6. Push to the branch (`git push origin my-awesome-feature`)
+7. Open your forked repo on Github website, create a new Pull Request to this repo!
 ```
 
 ## Algorithms