Add more support to PortableInfoboxBuilder

[Universal-Omega]

Part of #50

Adds support for <header> and <navigation> tags

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.24%. Comparing base (1a3a742) to head (991e159).
Report is 5 commits behind head on master.

❗ Current head 991e159 differs from pull request most recent head d59b940. Consider uploading reports for the commit d59b940 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #124      +/-   ##
============================================
- Coverage     59.25%   59.24%   -0.02%     
- Complexity      511      513       +2     
============================================
  Files            38       38              
  Lines          1593     1595       +2     
============================================
+ Hits            944      945       +1     
- Misses          649      650       +1     

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