[weiiwang01]

What this PR does

Update the landing pages for the reference and how-to guide documentations based on our new standard for landing pages.

Why we need it

Checklist

• I followed the contributing guide
• I added or updated the documentation (if applicable)
• I updated docs/changelog.md with user-relevant changes
• I added a change artifact for user-relevant changes in docs/release-notes/artifacts. If no change artifact is necessary, I tagged the PR with the label no-release-note.
• I used AI to assist with preparing this PR
• I added or updated tests as needed (unit and integration)
• If integration test modules are used: I updated the workflow configuration
  (e.g., in .github/workflows/integration_tests.yaml, ensure the modules list is correct)
• If this is a Grafana dashboard: I added a screenshot of the dashboard
• If this is Terraform: terraform fmt passes and tflint reports no errors
• If this is Rockcraft: I updated the version

[erinecon]

Thanks so much for updating the landing pages!

[github-actions]

Test results for commit e3a3db5

Test coverage for e3a3db5

Name           Stmts   Miss Branch BrPart  Cover   Missing
----------------------------------------------------------
src/charm.py      69      0     20      0   100%
----------------------------------------------------------
TOTAL             69      0     20      0   100%

Static code analysis report

Run started:2026-10-08 18:19:16.849428+00:00

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 509
  Total lines skipped (#nosec): 0
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):

[github-actions]

Test results for commit e3a3db5

Test coverage for e3a3db5

Name           Stmts   Miss Branch BrPart  Cover   Missing
----------------------------------------------------------
src/charm.py     159     62     52      5    57%   88-89, 112->114, 117-156, 164, 176-185, 212, 221-226, 234-247, 256-266, 283-293, 303-306, 325
----------------------------------------------------------
TOTAL            159     62     52      5    57%

Static code analysis report

Run started:2026-10-08 18:19:14.177208+00:00

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 800
  Total lines skipped (#nosec): 7
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):

[erinecon]

Thanks 🎉