docs: rework documentation site (#1589)

* initial commit

* inital changes

* commit WIP Information Architecture

* commit a working state

* add static assets and project

* add org and fix img names

* add plausible

* remove img

* change sidebar to easier mgmt

* add openid oauth and domains

* lint md

* quickstarts

* add auth flow

* identity brokering

* remove site

* fix broken links

* extend footer

* extend readme

* fix: styling

* fix: zitadel logo on index

* styling

* border

* fix: nav

* fix: nav

* fix: index

* fix: rename architecture to concepts

* fix: introductions

* fix: introductions

* fix: introductions

* fix: get started

* fix: user manual

* fix: zitadel architecture

* fix: dead links

* add favicon

Co-authored-by: fabi <fabienne.gerschwiler@gmail.com>
Co-authored-by: Livio Amstutz <livio.a@gmail.com>

docs/.gitignore

@@ -0,0 +1,20 @@
+# Dependencies
+/node_modules
+
+# Production
+/build
+
+# Generated files
+.docusaurus
+.cache-loader
+
+# Misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*