website/docs: add a new page to help people get started after install is complete (#19217)

* new first steps docs

* moved email config up to match Docker

* first draft

* moved sections and retitled some

* more content, tweaks

* dewis edits

* added Dewi ideas, more content, tweaks

* more content, green tips, other fixes

* Optimised images with calibre/image-actions

* Optimised images with calibre/image-actions

* Optimised images with calibre/image-actions

* conflicts?

* dominic's eedits, more content

* another fine Dominic edit

* more dewi and dominic edits, links

* a bunch of things

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* tweaks

* thanks Teffen

* new styles, more content

* few more dominic edits, tweaks

* formatting fights on tips

* fix some alignments

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* changes from Jens

* work on bindings docs that was needed for the first steps docs

* links, more tweaks

* more edits, more TODOs done

* add mermaid diagram, more links, more content

* fix sidebar, tweaks

* tweak

* more link fixing

* fix heading size

* more dewi and dominic edits

* more dewi and dominic edits

* teffen enhancements yay and more bindings rearchitecting

* added note about stage bindings being the only type of binding that you can bind to yeehaw

---------

Signed-off-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Jens Langhammer <jens@goauthentik.io>
Co-authored-by: authentik-automation[bot] <135050075+authentik-automation[bot]@users.noreply.github.com>
Co-authored-by: Dewi Roberts <dewi@goauthentik.io>
Co-authored-by: Jens Langhammer <jens@goauthentik.io>

website/docs/docusaurus.config.esm.mjs

@@ -58,7 +58,7 @@ export default createDocusaurusConfig(
         future: {
             experimental_faster: true,
         },
-
+        clientModules: ["../docusaurus-theme/theme/utils/mermaid_icons.js"],
         url: "https://docs.goauthentik.io",
         //#region Preset