Update issue templates

[akbarkz]

Ask people to include more information as currently it's become standard that people provide only one sentence without any details and then do not get back for weeks when asked to provide more context.

[webteam-app]

Demo starting at https://canonical-com-1190.demos.haus

[codecov[bot]]

Codecov Report

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

Project coverage is 66.55%. Comparing base (9f0f213) to head (7260742). Report is 4 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1190 +/- ## ======================================= Coverage 66.55% 66.55% ======================================= Files 10 10 Lines 891 891 ======================================= Hits 593 593 Misses 298 298 ``` | [Flag](https://app.codecov.io/gh/canonical/canonical.com/pull/1190/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/canonical.com/pull/1190/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=canonical) | `66.55% <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.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[petesfrench]

I really like the vanilla-framework issue template. I personally find I am more inclined to fill it in when there is more structure and sentences already started. I wonder if we could do something similar here?