Query input from URL

[andyleiserson]

Support for helper to pull query input from a URL, rather than receiving it directly from the client in an HTTP request body.

Also adds a simple HTTP server in test_mpc to serve local files, for testing purposes.

[codecov]

Codecov Report

Attention: Patch coverage is 80.29557% with 40 lines in your changes missing coverage. Please review.

Project coverage is 93.19%. Comparing base (6531c97) to head (7d91b4f).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
ipa-core/src/helpers/transport/query/mod.rs	55.55%	12 Missing ⚠️
ipa-core/src/net/query_input.rs	68.42%	12 Missing ⚠️
ipa-core/src/bin/test_mpc.rs	9.09%	10 Missing ⚠️
ipa-core/src/net/server/handlers/query/input.rs	96.92%	2 Missing ⚠️
ipa-core/src/query/processor.rs	81.81%	2 Missing ⚠️
ipa-core/src/app.rs	90.90%	1 Missing ⚠️
ipa-core/src/cli/playbook/hybrid.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1508      +/-   ##
==========================================
- Coverage   93.24%   93.19%   -0.06%     
==========================================
  Files         238      241       +3     
  Lines       43688    43966     +278     
==========================================
+ Hits        40739    40975     +236     
- Misses       2949     2991      +42     

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[akoshelev]

lets ship it - tests for test_mpc will be added in #1510