feat: full funcional

[zombieJ]

• createContext
• useContext
• makeImmutable
• responseImmutable

[codecov]

Codecov Report

Merging #4 (b47404b) into master (53f894a) will increase coverage by 3.20%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master        #4      +/-   ##
===========================================
+ Coverage   96.80%   100.00%   +3.20%     
===========================================
  Files           3         3              
  Lines         125        75      -50     
  Branches       31        19      -12     
===========================================
- Hits          121        75      -46     
+ Misses          4         0       -4     

Impacted Files	Coverage Δ
src/Immutable.tsx	100.00% <100.00%> (ø)
src/context.tsx	100.00% <100.00%> (ø)
tests/common.tsx	100.00% <100.00%> (ø)

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