chore(docs): clean up and add new content (#15003)

* wip: Install

* wip: sharing

* wip: features

* wip: features

* wip: tags and folder view

* update links

* fix: broken reference to page sections

* pr feedback

* Update docs/docs/overview/comparison.md

Co-authored-by: Daniel Dietzler <36593685+danieldietzler@users.noreply.github.com>

* webp

* webp is glory

* webp is glory

---------

Co-authored-by: Daniel Dietzler <36593685+danieldietzler@users.noreply.github.com>

docs/docs/features/facial-recognition.md

@@ -6,15 +6,15 @@ Immich recognizes faces in your photos and videos and groups them together into
 
 The list of people is shown in the Explore page.
 
-<img src={require('./img/facial-recognition-1.png').default} title='Facial Recognition 1' />
+<img src={require('./img/facial-recognition-1.webp').default} title='Facial Recognition 1' />
 
 Upon clicking on a person, a list of assets that contain their face will be shown.
 
-<img src={require('./img/facial-recognition-2.png').default} title='Facial Recognition 2' />
+<img src={require('./img/facial-recognition-2.webp').default} title='Facial Recognition 2' />
 
 The asset detail view will also show the faces that are recognized in the asset.
 
-<img src={require('./img/facial-recognition-3.png').default} title='Facial Recognition 3' />
+<img src={require('./img/facial-recognition-3.webp').default} title='Facial Recognition 3' />
 
 ## Actions
 
@@ -28,7 +28,7 @@ Additional actions you can do include:
 
 It can be found from the app bar when you access the detail view of a person.
 
-<img src={require('./img/facial-recognition-4.png').default} title='Facial Recognition 4' width="70%"/>
+<img src={require('./img/facial-recognition-4.webp').default} title='Facial Recognition 4' width="70%"/>
 
 ## How Face Detection Works