Support of ZRANGE command

[mikhail-vl]

Resolves #182

[codecov]

Codecov Report

Merging #227 (a09fb12) into master (a1bc124) will increase coverage by 0.00%.
The diff coverage is 95.34%.

@@           Coverage Diff           @@
##           master     #227   +/-   ##
=======================================
  Coverage   94.87%   94.88%           
=======================================
  Files          36       37    +1     
  Lines        1677     1719   +42     
  Branches       68       76    +8     
=======================================
+ Hits         1591     1631   +40     
  Misses         79       79           
- Partials        7        9    +2     

Impacted Files	Coverage Δ
src/redis/command.ts	100.00% <ø> (ø)
src/components/query-editor/query-editor.tsx	98.36% <86.66%> (-1.64%)	⬇️
pkg/query.go	100.00% <100.00%> (ø)
pkg/redis-zset.go	100.00% <100.00%> (ø)
src/components/config-editor/config-editor.tsx	98.86% <100.00%> (+0.04%)	⬆️
src/redis/query.ts	100.00% <100.00%> (ø)
src/redis/redis.ts	100.00% <100.00%> (ø)

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