Add Json function and its unit test

[hariswb]

Here is my first PR. The test might not be exhaustive but I think it's good for the start.

[codecov]

Codecov Report

Merging #92 (6af8e55) into main (419f932) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main       #92   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           67        68    +1     
  Lines          764       769    +5     
  Branches       338       338           
=========================================
+ Hits           764       769    +5     

Impacted Files	Coverage Δ
src/lib/volder-types/json.js	100.00% <100.00%> (ø)

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[alguerocode]

thank you. it will be merge in the next version

[alguerocode]

sorry you are forget the to Json function import in index.js

[hariswb]

my bad. i'll add that too

[hariswb]

@alguerocode I've just added the function in the index.js

[alguerocode]

@alguerocode I've just added the function in the index.js

your are doing well bro

i will add in contributers section soon

I have a devSupporters team in discord, if you want join click in discord badge in readme.md file, there we will discuss the next version of volder 3.0.0

note: first send a message to know you. you will find me as the same name alguerocode
thank you

[hariswb]

thanks. i'll check out the discord