feature: allow multiple instances

[Guts]

It's now possible to have a mkdocs.yml like this:

plugins:
  - rss
  - rss:
      feeds_filenames:
        json_created: blog.json
        json_updated: blog-updated.json
        rss_created: blog.xml
        rss_updated: blog-updated.xml
      match_path: "blog/.*"

Closes #219

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.04%. Comparing base (2c6ce74) to head (bf65fdd).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #280      +/-   ##
==========================================
+ Coverage   84.65%   85.04%   +0.38%     
==========================================
  Files          10       10              
  Lines         554      555       +1     
  Branches      117      117              
==========================================
+ Hits          469      472       +3     
+ Misses         54       53       -1     
+ Partials       31       30       -1     

Flag	Coverage Δ
unittests	84.86% <100.00%> (+0.38%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
mkdocs_rss_plugin/plugin.py	94.07% <100.00%> (+1.53%)	⬆️

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[alexvoss]

Thanks for this. I created a small example project and it seems to work the way I would expect it to. Great stuff!

[Guts]

Thanks for your feedback and your patience! Looking forward for quality improvements in social cards requests.