added content-list

[weberankit]

solved issue #327 ,
1-- I have added a content list so that users can directly visit those particular topics without scrolling
2--- this avail for only those devices which has a screen size greater than 1200px

what changes I have made-

1-- added topics list and linked it by using anchor tag (Html page)
2--added js to hide content list for the small device(js src page)
3--styling(css page)

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Latest commit: 0910a61

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[weberankit]

plz check the PR and merge the code as I want to add more features by using js to the content list

[gulam159]

LGTM

[weberankit]

could you merge the above pr code?