Fixed routes in langauge button

[prabhkaur301]

Fixed routes using conditional rendering in language toggle button in navbar.js & corrected some typos in Hindi translated homepage

https://user-images.githubusercontent.com/57444962/158074186-cc77fa44-99ec-4ffe-9841-4fe5873e0174.mp4

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[aktamoli0910]

There are some conflicts, please resolve them first.

[prabhkaur301]

There are some conflicts, please resolve them first.

Resolved the conflicts. Kindly review it

[prabhkaur301]

Kindly label this PR under GSSOC for the countability

[prabhkaur301]

Please add the level label , so that marks can be counted

[mohit200008]

Issue number ?

[prabhkaur301]

Issue number ?

73

[prabhkaur301]

73

Kindly add level label to this PR Issue no - #73