Responsiveness added to the Homepage

[ArnolFokam]

• Changed the grid layout for the form to occupy ((5/12)100)% of it's parent width and for the text to occupy the rest ((7/12)100)%. Note: for large screens lg only
• Removed padding on the form container.
• Set max-width of the form to 500px so that it shouldn't be too big.
• Removed the child div element of the div with id="root" that encloses ".main-page" element but contains no style.
• Commented old codes for precautions. In case of approval of the pull request. the comments will be removed.
• Set the height of the HomePage to be greater or equal to the browser height.
• Added media queries to get responsive typography on the ".login-content h1" element
• Added a break-line on the ".login-content h1" element after "Facebook developer circle buea".

[Cressence]

This looks great, but i noticed your line spacing isn't uniform (You are using 2 spacing while we using 4)