Update broken link on Feature Overview

[ienugr]

Update all the broken links on Feature Overview. Fix typo (Tempalte to Template).

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All committers have signed the CLA.

[codecov[bot]]

Codecov Report

Merging #69 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #69   +/-   ##
=======================================
  Coverage   47.74%   47.74%           
=======================================
  Files          22       22           
  Lines        1240     1240           
=======================================
  Hits          592      592           
  Misses        616      616           
  Partials       32       32

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[Dexus]

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Review status: 0 of 1 files reviewed at latest revision, all discussions resolved.

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[Dexus]

Reviewed 1 of 1 files at r1. Review status: all files reviewed at latest revision, all discussions resolved.

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