Implement DELETE method

[tansly]

No description provided.

[codecov]

Codecov Report

Merging #4 into master will decrease coverage by 0.26%.
The diff coverage is 97.77%.

@@            Coverage Diff             @@
##           master       #4      +/-   ##
==========================================
- Coverage     100%   99.73%   -0.27%     
==========================================
  Files           1        1              
  Lines         307      373      +66     
==========================================
+ Hits          307      372      +65     
- Misses          0        1       +1

Impacted Files	Coverage Δ
src/lib.rs	99.73% <97.77%> (-0.27%)	⬇️

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