update subnet info

- Introduced about pages for subnets.
- Added inumi network subnet.
- Update main menu.
- Minor edits here and there.

style/pixels: internationalize the navigation line

v0: update menu

Updated menu and removed old redirects from 2021.

site: update about and ja style

news: update config

This one had even the old subdomain...! >_<'

modules: optimize layout for mobile

modules: reduce size of input

- Reduces input size to 49. It was too long on mobile.

modules: update script and styles

- Updated the script.
- Updated the style of tables.
- Prepared for navigating to the documents.