Stateless GET Parameter Support

[caronc]

Description:

Related issue (if applicable): n/a

GET parameters title, type, and format can be passed on the URL to provide default values if nothing in the message body exists (this is already how Stateful Apprise POSTs are handled). This is merely making both consistent.

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• No lint errors (use flake8)
• Tests added

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.36%. Comparing base (2b21ab7) to head (1da364b).
Report is 32 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #166   +/-   ##
=======================================
  Coverage   99.36%   99.36%           
=======================================
  Files           7        7           
  Lines         785      791    +6     
=======================================
+ Hits          780      786    +6     
  Misses          5        5           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.