feat: implement LBH list and details page

[zainfathoni]

Closes #868 Closes #869 Closes #866

Description

Current Tasks

• [x] Build LBH list page
• [x] Build LBH detail page
• [x] Show LBH menu
• [x] Add minor unit tests to cover patch changes

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[codecov[bot]]

Codecov Report

Merging #870 (6350dcd) into main (e8db6e1) will increase coverage by 0.53%. The diff coverage is 95.38%.

@@            Coverage Diff             @@
##             main     #870      +/-   ##
==========================================
+ Coverage   87.17%   87.70%   +0.53%     
==========================================
  Files         136      142       +6     
  Lines        1481     1545      +64     
  Branches      462      488      +26     
==========================================
+ Hits         1291     1355      +64     
+ Misses        185      184       -1     
- Partials        5        6       +1     

Impacted Files	Coverage Δ
components/ui/icons/legal-icon.tsx	100.00% <ø> (+100.00%)	:arrow_up:
etc/fetchers/utils.ts	100.00% <ø> (ø)
lib/home/homepage-menus.tsx	100.00% <ø> (ø)
components/law-firm-list-item.tsx	87.50% <87.50%> (ø)
components/law-firm-list.tsx	88.88% <88.88%> (ø)
components/law-firm-details.tsx	100.00% <100.00%> (ø)
etc/fetchers/fetch-lbh.ts	96.29% <100.00%> (ø)
lib/data/helpers/law-firms.ts	100.00% <100.00%> (ø)
lib/meta.ts	100.00% <100.00%> (ø)
pages/lbh/[lawFirmSlug].tsx	100.00% <100.00%> (ø)
... and 2 more

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