v1.5.0 Documentation

What's Changed

• update content security policy by @katomm in #61
• update Cardano Ambassadors by @katomm in #63
• add first batch of site component documentation by @katomm in #64 available at https://cardano.org/docs/category/components
• add news articles by @katomm in #65

Full Changelog: v1.4.0...v1.5.0