Adds some http example files to worksheets to make testing easier

[dbbaughe]

Issue #, if available:

Description of changes:

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Merging #321 (277413c) into master (0735c91) will increase coverage by 0.05%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #321      +/-   ##
============================================
+ Coverage     74.04%   74.09%   +0.05%     
  Complexity     1187     1187              
============================================
  Files           180      180              
  Lines          5994     5994              
  Branches        899      899              
============================================
+ Hits           4438     4441       +3     
+ Misses         1090     1088       -2     
+ Partials        466      465       -1     

Impacted Files	Coverage Δ	Complexity Δ
...dexstatemanagement/elasticapi/ElasticExtensions.kt	67.44% <0.00%> (+2.32%)	0.00% <0.00%> (ø%)
...icsearch/indexmanagement/IndexManagementIndices.kt	65.51% <0.00%> (+3.44%)	10.00% <0.00%> (ø%)

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