[olitreadwell]

Changes

Fixes a few small documentation issues:

• CHANGELOG.md: installatons -> installations
• tracker/ARCHITECTURE.md: director -> directory
• assets/js/dashboard/stats/locations/world-map-svg.tsx: represeting -> representing in a JSDoc comment
• CODE_OF_CONDUCT.md: the Basecamp handbook link now returns 404; updated to the current page

Tests

• This PR does not require tests

Changelog

• This PR does not make a user-facing change

Documentation

• This change does not need a documentation update

Dark mode

• This PR does not change the UI

How to verify

git fetch https://github.com/olitreadwell/analytics.git fix-doc-typos-and-dead-link
git checkout FETCH_HEAD

This change is docs-only (typos and a dead link in comments and markdown), so no test run is required.