WD-7449 - update forum to chat on nav

[lizzochek]

Done

• Changed Forum to Chat in the nav bar

QA

• copy doc
• demo link
• Run the site using the command ./run serve or dotrun
• View the site locally in your web browser at: http://0.0.0.0:8001/
  • Be sure to test on mobile, tablet and desktop screen sizes
• Check that nav text is correct

Issue / Card

WD-7449 Fixes #

Screenshots

Help

[webteam-app]

Demo starting at https://microstack-run-246.demos.haus

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (f82a360) 77.27% compared to head (f75eaef) 77.27%. Report is 5 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #246 +/- ## ======================================= Coverage 77.27% 77.27% ======================================= Files 2 2 Lines 44 44 ======================================= Hits 34 34 Misses 10 10 ``` | [Flag](https://app.codecov.io/gh/canonical/microstack.run/pull/246/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=canonical) | Coverage Δ | | |---|---|---| | [python](https://app.codecov.io/gh/canonical/microstack.run/pull/246/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=canonical) | `77.27% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=canonical#carryforward-flags-in-the-pull-request-comment) to find out more.

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