Add head tracking to other software page - #462

Changed pages include:

• index.html - view
• 404.html - view
• explorer/index.html - view
• search/index.html - view
• unofficial_talon_docs/index.html - view
• basic usage/basic_usage/index.html - [view](https://deploy-preview-462--talon-wiki-refactor.netlify.app/basic usage/basic_usage)
• basic usage/prose_captures/index.html - [view](https://deploy-preview-462--talon-wiki-refactor.netlify.app/basic usage/prose_captures)
• basic usage/settings/index.html - [view](https://deploy-preview-462--talon-wiki-refactor.netlify.app/basic usage/settings)
• customization/basic_customization/index.html - view
• customization/misc-tips/index.html - view

There are more changes not included in the list