skip search/sort when search term is empty

[hozefaj]

What:
when the search term is empty, then skipping all operations and returning the original input

Why:
since the matchSorter perform sort, it changes the input even when nothing is searched. This skip step now prevents that from happening.

How:

Checklist:

• Documentation
• Tests
• Ready to be merged
• Added myself to contributors table

[codecov]

Codecov Report

Merging #40 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #40   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           1      1           
  Lines         145    146    +1     
  Branches       39     40    +1     
=====================================
+ Hits          145    146    +1

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

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[hozefaj]

Fixes issue #39

[hozefaj]

Tried adding myself to the contributors list, but getting the below error. Tried a few things googling but was not able to figure it out, so gave up in the interest of time.

> [email protected] add-contributor /Users/hjodiawalla/Desktop/Misc/match-sorter
> kcd-scripts contributors add

module.js:538
    throw err;
    ^

Error: Cannot find module 'all-contributors-cli/cli'
    at Function.Module._resolveFilename (module.js:536:15)
    at Function.resolve (internal/module.js:18:19)
    at Object.<anonymous> (/Users/hjodiawalla/Desktop/Misc/match-sorter/node_modules/kcd-scripts/dist/scripts/contributors.js:7:33)
    at Module._compile (module.js:635:30)
    at Object.Module._extensions..js (module.js:646:10)
    at Module.load (module.js:554:32)
    at tryModuleLoad (module.js:497:12)
    at Function.Module._load (module.js:489:3)
    at Function.Module.runMain (module.js:676:10)
    at startup (bootstrap_node.js:187:16)
npm ERR! code ELIFECYCLE

[kentcdodds]

I'll fix the all-contributors thing. Thank you so much!