Flowapi module

[greenape]

Closes #435
Closes #271

I have:

• Formatted any Python files with black
• Brought the branch up to date with master
• Added any relevant Github labels
• Added tests for any new additions
• Added or updated any relevant documentation
• Added an Architectural Decision Record (ADR), if appropriate
• Added an MPLv2 License Header if appropriate
• Updated the Changelog

Description

• FlowAPI is now a regular python module
• App init is no longer done using nested defs
• Config is now all in one place, rather than slightly randomly scattered reads from os.environ
• run_query.py is now query_endpoints

[codecov]

Codecov Report

Merging #456 into master will increase coverage by 0.01%.
The diff coverage is 95.23%.

@@            Coverage Diff             @@
##           master     #456      +/-   ##
==========================================
+ Coverage   90.92%   90.94%   +0.01%     
==========================================
  Files          90       91       +1     
  Lines        5280     5291      +11     
  Branches      622      622              
==========================================
+ Hits         4801     4812      +11     
  Misses        347      347              
  Partials      132      132

Impacted Files	Coverage Δ
flowapi/flowapi/geography.py	100% <ø> (ø)
flowapi/flowapi/stream_results.py	92.59% <ø> (ø)
flowapi/flowapi/jwt_auth_callbacks.py	100% <ø> (ø)
flowapi/flowapi/check_claims.py	85.29% <ø> (ø)
flowapi/flowapi/query_endpoints.py	97.82% <ø> (ø)
flowapi/flowapi/config.py	90.9% <90.9%> (ø)
flowapi/flowapi/main.py	95.89% <95.89%> (ø)

---

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[codecov]

Codecov Report

Merging #456 into master will increase coverage by 0.01%.
The diff coverage is 95.18%.

@@            Coverage Diff             @@
##           master     #456      +/-   ##
==========================================
+ Coverage   91.06%   91.08%   +0.01%     
==========================================
  Files          92       93       +1     
  Lines        5362     5372      +10     
  Branches      631      631              
==========================================
+ Hits         4883     4893      +10     
  Misses        347      347              
  Partials      132      132

Impacted Files	Coverage Δ
flowapi/flowapi/geography.py	100% <ø> (ø)
flowapi/flowapi/stream_results.py	92.59% <ø> (ø)
flowapi/flowapi/jwt_auth_callbacks.py	100% <ø> (ø)
flowapi/flowapi/check_claims.py	85.29% <ø> (ø)
flowapi/flowapi/query_endpoints.py	97.82% <ø> (ø)
flowapi/flowapi/config.py	90.9% <90.9%> (ø)
flowapi/flowapi/main.py	95.83% <95.83%> (ø)

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[jc-harrison]

👍