Add replica parameter and shard number option list

[xluo-aws]

Signed-off-by: Xuesong Luo [email protected]

Description

[Add replica as optional parameter to split index; Provide valid shard number options for user to choose from]

Issues Resolved

[List any issues this PR will resolve https://github.com//issues/393]

Check List

• Commits are signed per the DCO using --signoff

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[codecov-commenter]

Codecov Report

Merging #406 (73e247e) into index-operation (8c61ffb) will increase coverage by 0.11%.
The diff coverage is n/a.

@@                 Coverage Diff                 @@
##           index-operation     #406      +/-   ##
===================================================
+ Coverage            57.57%   57.69%   +0.11%     
===================================================
  Files                  222      222              
  Lines                 7331     7358      +27     
  Branches              1188     1192       +4     
===================================================
+ Hits                  4221     4245      +24     
+ Misses                2810     2809       -1     
- Partials               300      304       +4     

Impacted Files	Coverage Δ
...onents/FormGenerator/built_in_components/index.tsx	71.42% <0.00%> (-8.58%)	⬇️
...pages/CreateIndex/components/AliasSelect/index.tsx	89.74% <0.00%> (-5.13%)	⬇️
...s/components/SplitIndexFlyout/SplitIndexFlyout.tsx	93.24% <0.00%> (+7.03%)	⬆️

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