feat: add OpenID Connect provider under a new Generic category - #87

Changed pages include:

• index.html - view
• 23andme/index.html - view
• 37signals/index.html - view
• 404.html - view
• 500px/index.html - view
• acclaim/index.html - view
• admitad/index.html - view
• adobe/index.html - view
• aikido/index.html - view
• amazon/index.html - view

There are more changes not included in the list