[f] Add Spell Check

[Swetha]

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  affects mvhub
  importance low
  security no
  status new
  tag refactor
  tag usability
  done

Notes:
 when people search for something in the search box and if they spell
it wrong give them suggestions as google does.so that people can
identify what they were trying to find.

For example:
 If they are searching for "Shelter" and they spell that as
 "Selter" then instaed of displaying "sorry,no results found".It
 should give them options with the corrected spelling like "did u
 mean:Shelter".

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