Remove extra head tag and change position for script tags

[nadeshseen]

Fixes issue #[random]:

1. Extra </head> can create problem in future.
2. Positioning script tags decreases the loading time.

Changes:

1. </head> tag removed.
2. Script tags have been placed in the body section just before closing the body tag (</body>)

Reason for changing the position of script tags: Technically putting scripts in the header is clean, but from an end user point of view and SEO putting scripts right at the bottom of the document as the very last thing has many benefits.

[nadeshseen]

Extra lines removed @sagar-kalra

[nadeshseen]

I have just changed the indentation of the code. Please, review this again. @divyam3897

[divyam3897]

@nadeshseen you should not do that, only make the required/necessary changes.

[divyam3897]

@nadeshseen still on it?