Add more videos to docs (#8373)

* added various WK workflow tutorials to docs

* added TIL videos to docs

* fix url seperator

Author: hotzenklotz

docs/automation/index.md

@@ -2,3 +2,4 @@
 
 WEBKNOSSOS integrates several automated workflows that run in the background. The main workflows include [AI segmentation](ai_segmentation.md), [image alignment](alignment.md), and [exporting 3D animations](animations.md). More workflows are detailed on the [Jobs](jobs.md) page.
 
+![youtube-video](https://www.youtube.com/embed/8ijhmiJs3qY)

docs/datasets/index.md

@@ -8,6 +8,9 @@ Working with 3D (and 2D) image datasets is at the heart of WEBKNOSSOS.
 
 [Read the section on file and data formats](../data/concepts.md) if you are interested in the technical background and concepts behind WEBKNOSSOS datasets.
 
+Watch this tutorial to get started: 
+![youtube-video](https://www.youtube.com/embed/LU-JnJ6SV_w)
+
 
 ## Example Datasets
 

docs/tasks_projects/index.md

@@ -3,3 +3,6 @@
 WEBKNOSSOS includes a powerful task and project management system to efficiently annotate large datasets. Large annotations can be broken down into smaller workpieces and distributed to members of your organization. ("Divide and conquer approach")
 
 In the following page, we'll go through the [concepts](concepts.md) used for task and project management in WEBKNOSSOS, and explain how to create [tasks](tasks.md) and [project](projects.md). 
+
+Watch this tutorial to get started: 
+![youtube-video](https://www.youtube.com/embed/PqL3-b3tU9Y)

docs/today_i_learned.md

@@ -1,20 +1,10 @@
----
-hide:
-  - navigation
-  - toc
----
-
 # Today I learned
 
 We regularly publish tips and tricks videos for beginners and pros on YouTube to share new features, highlight efficient workflows, and show you hidden gems.
 
-Subscribe to our YouTube channel [@webknossos](https://www.youtube.com/@webknossos) or [@webknossos](https://twitter.com/webknossos) on Twitter to stay up-to-date. 
-
-![youtube-video](https://www.youtube.com/playlist?list=PLpizOgyiA4kE6pZRW1u0l49Pmppp-S7V0)
-
 <figure class="video_container">
-    <iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/videoseries?si=v9zHC1kSlP4xH1Rp&amp;list=PLpizOgyiA4kE6pZRW1u0l49Pmppp-S7V0" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
+  <iframe width="560" height="560" src="https://www.youtube-nocookie.com/embed/videoseries?si=CqXiVKkxxFU8uETH&amp;list=PLpizOgyiA4kEGKFRQFOgjucZCKtI2GUZY&autoplay=1&loop=1&mute=1" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
 </figure>
 
+Subscribe to our YouTube channel [@webknossos](https://www.youtube.com/@webknossos) or [@webknossos.org](https://bsky.app/profile/webknossos.org) on Bluesky to stay up-to-date. 
 
-![youtube-video](https://www.youtube.com/watch?v=ONmx1E05_A0&list=PLpizOgyiA4kEGKFRQFOgjucZCKtI2GUZY)

docs/volume_annotation/index.md

@@ -9,4 +9,4 @@ WEBKNOSSOS supports volume/segmentation annotations. This annotation type lets y
 - How to use [pen tablets and iPads](pen_tablets.md) to annotate on WEBKNOSSOS
 
 Watch this tutorial to get started: 
-![youtube-video](https://www.youtube.com/embed/iw2C7XB6wP4?start=120)
+![youtube-video](https://www.youtube.com/embed/FfqNSFFeYms)