Padovan nth number

[sweezy793]

Do the checklist before submitting the PR:

• [x] Have you read the guidelines mentioned in CONTRIBUTING.md?
• [x] Have you squashed your commits?

Q: What version of Node.js you've used in the project? (e.g. Node v10.11.0) A: v10.15.1

Q: Mention the Issue Number! (e.g. Fixed #8) A: #46

• Give additional information regarding the PR below: Added padovan sequence in src by taking reference from fibonacci and required it in src/index.js

[codecov-io]

Codecov Report

Merging #48 into master will not change coverage. The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #48   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          37     38    +1     
  Lines         354    369   +15     
=====================================
+ Hits          354    369   +15

Impacted Files	Coverage Δ
src/index.js	100% <100%> (ø)	:arrow_up:
src/padovan/index.js	100% <100%> (ø)

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[sweezy793]

@sweezy793 I've resolved the conflicts for this PR but from next time onwards please do this by yourself and please do not alter the single quotes by the double quotes as that was the reason for the merge conflict.

Yes, I will keep this in mind next time, Actually I had kept it ad single quotes but prettier changed it into double quotes.