Create base HTML and CSS design

[terrameijar]

Create a base HTML and CSS template from which all pages will inherit. Requirements:

• Site Logo
• Responsive
• Top navbar
• 2 sidebars and a main content area. Side bars on either side of the main content area, like the design below:

[TanyaMushonga]

Working on this now

[terrameijar]

Fixed in https://github.com/PythonBulawayo/ChitChat/pull/65. Thank you @TanyaMushonga