Tidy links, and lint (#2435)

Tidies up a number of things:

- Outdated links that redirect
- Dead links
- Remove unnecessary parameters eg "en" and "en-US"
- Shortened amazon, apps.apple.com, reddit links
- Removed trailing /
- Remove www (except for PG assets)
- Optimize unoptimized SVGs and remove xml declarations
- Lint yaml, md files

Co-Authored-By: Daniel Gray <dngray@privacyguides.org>

theme/assets/img/password-management/psono.svg

@@ -1,2 +1 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <svg width="128" height="128" version="1.1" viewBox="0 0 33.867 33.867" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.19393 0 0 .19393 6.0387 -1.3311)"><g transform="matrix(.35278 0 0 -.35278 -19.503 50.728)"><path d="m0 0 77.64-46.117 137.18 81.142 136.02-80.558 77.056 44.949-212.49 124.92z" style="fill-rule:evenodd;fill:#98daaf"/></g><g transform="matrix(.35278 0 0 -.35278 29.715 75.029)"><path d="m0 0 75.304-44.949 73.553 42.03-73.553 43.198z" style="fill-rule:evenodd;fill:#98daaf"/></g><g transform="matrix(.35278 0 0 -.35278 -19.503 50.522)"><path d="m0 0v-246.93l77.64-43.781 0.583 244.01z" style="fill-rule:evenodd;fill:#4ac08f"/></g><g transform="matrix(.35278 0 0 -.35278 29.921 75.029)"><path d="m0 0-0.583-81.142 75.304-42.614 74.137 43.781v75.889l-73.553-41.447z" style="fill-rule:evenodd;fill:#4ac08f"/></g><g transform="matrix(.35278 0 0 -.35278 104.06 66.997)"><path d="m0 0 0.584-130.76-136.02-78.807-74.721 41.447v-112.66l74.137-43.782 214.82 124.34-1.167 244.59z" style="fill-rule:evenodd;fill:#4ac08f"/></g></g></svg>