[add] added DropIndex method (#94)

[outousekai]

[add] added DropIndex method (#94)

The parameters of this method:

• deleteDocuments if true,add DD option

[codecov]

Codecov Report

Merging #96 (f53f858) into master (3264ad8) will increase coverage by 0.17%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #96      +/-   ##
==========================================
+ Coverage   76.59%   76.76%   +0.17%     
==========================================
  Files          13       13              
  Lines        1081     1089       +8     
==========================================
+ Hits          828      836       +8     
  Misses        197      197              
  Partials       56       56              

Impacted Files	Coverage Δ
redisearch/client.go	79.27% <100.00%> (+0.47%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3264ad8...f53f858. Read the comment docs.

[sonarqubecloud]

SonarCloud Quality Gate failed.

0 Bugs
0 Vulnerabilities
0 Security Hotspots
4 Code Smells

No Coverage information
24.1% Duplication

[filipecosta90]

@is-a-gamer @shumin1027 LvGTM.
I've added one test and example to ease adoption.
The code duplication warning comes from the example so we're good to go.