Fixing the README.md file with the correct link to the get-panamax

The first step of the section "How to Submit a Contest Entry" is broken... This commit fixes the link by removing the extension ".html" from the link.
Merge pull request #4 from marcellodesales/master

Fixing the README.md file with the correct link to the get-panamax
Add Ghost blogging platform
A quick not on unique template names
Add Ngrok + Wordpress + MySQL template
Merge pull request #6 from andrewmunsell/ngrok-wordpress-mysql

Add Ngrok + Wordpress + MySQL template
Merge pull request #5 from andrewmunsell/master

Add Ghost Blogging Platform
Delete example.pmx
Saved a Panamax template magento.pmx
Saved KeystoneJS Panamax template
Add Ngrok + Pagekit template
Merge pull request #8 from andrewmunsell/pagekit-ngrok

Add Ngrok + PageKit template
Merge pull request #7 from paimpozhil/master

Magento Panamax Template
Saved a Panamax template image_api_with_cloudinary.pmx
Saved a Panamax template laravel_with_mysql.pmx
Merge pull request #11 from dmyers/laravel

Laravel Panamax template
Saved a Panamax template for Strider-CD
Saved a Panamax template ajenti.pmx
Saved a Panamax template minecraft_jordan0day.pmx
Saved a Panamax template john_regan.pmx