Add discourse url to engage page

[carkod]

Done

• Add discourse topic url to meta to make it easier to find. Here is some more context

QA

• Go to https://ubuntu-com-13298.demos.haus/engage/guide-to-micro-clouds right click and view source code
• Check there is new meta tag called discourse-url

Issue / Card

Fixes WD-11357

[webteam-app]

Demo starting at https://ubuntu-com-13298.demos.haus

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.43%. Comparing base (3a7954a) to head (45eea84).
Report is 6 commits behind head on main.

❗ Current head 45eea84 differs from pull request most recent head f080944

Please upload reports for the commit f080944 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13298      +/-   ##
==========================================
+ Coverage   74.12%   74.43%   +0.30%     
==========================================
  Files         107      107              
  Lines        2864     2840      -24     
  Branches      957      948       -9     
==========================================
- Hits         2123     2114       -9     
+ Misses        715      702      -13     
+ Partials       26       24       -2     

see 14 files with indirect coverage changes

[akbarkz]

@carkod What's the corresponding Jira ticket for this?

[britneywwc]

LGTM