docs: play the test video only in the video container

Remove the YouTube thumbnail from the Introduction to Git markdown pages;
the GitHub introduction to Git video is served by the public video route 11.

Author: Vidigal-code

README.md

@@ -517,17 +517,15 @@ video id. The viewer renders the route inside the docs shell, and `?videofull=<l
 The video routes of this repository are GitHub channel videos. Routes `id=8` to `id=10` carry the
 demo `authorization` (`requireExternalAuth`) and stay hidden from the sidebar until the visitor signs
 in with a configured provider. Route `id=11` has no `authorization`, so the **Video** menu section and
-its player are always visible. The same test video is also embedded in the *Introduction to Git* page
-(`id=5`); markdown pages embed a video as a linked YouTube thumbnail, which renders both on GitHub and
-in the viewer.
+its video container are always visible. Videos are played only by the video container; markdown pages
+do not embed them.
 
 Test video (GitHub channel, *A brief introduction to Git for beginners*):
 
 [![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
 
 - Watch on YouTube: https://www.youtube.com/watch?v=r8jQ9hVA2qs
 - Video route: https://vidigal-code.github.io/git-page-docs/Vidigal-code/git-page-docs/v/0.0.7/?lang=en&menu=en&id=11
-- Open markdown page: https://vidigal-code.github.io/git-page-docs/Vidigal-code/git-page-docs/v/0.0.7/?lang=en&menu=en&id=5#video
 - Fullscreen: https://vidigal-code.github.io/git-page-docs/Vidigal-code/git-page-docs/v/0.0.7/?videofull=en&slug=r8jQ9hVA2qs
 
 Route definition in `gitpagedocs/docs/versions/0.0.7/config.json`:

cli/content/docs-en.mjs

@@ -234,12 +234,6 @@ Basic Git concepts for beginners.
 - \`git add\` - Stage changes
 - \`git commit\` - Create a snapshot
 - \`git push\` - Send to remote
-
-## Video
-
-*A brief introduction to Git for beginners*, from the GitHub YouTube channel:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
 `,
     authorizedRoutes: `# Authorized Routes
 

cli/content/docs-es.mjs

@@ -379,12 +379,6 @@ Conceptos basicos de Git para principiantes.
 - \`git add\` - preparar cambios
 - \`git commit\` - registrar commit
 - \`git push\` - enviar a remoto
-
-## Video
-
-*A brief introduction to Git for beginners*, del canal de GitHub en YouTube:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
 `,
     authorizedRoutes: `# Rutas autorizadas
 

cli/content/docs-pt.mjs

@@ -379,12 +379,6 @@ Conceitos basicos de Git para iniciantes.
 - \`git add\` - preparar alteracoes
 - \`git commit\` - registrar commit
 - \`git push\` - enviar para remoto
-
-## Video
-
-*A brief introduction to Git for beginners*, do canal do GitHub no YouTube:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
 `,
     authorizedRoutes: `# Rotas autorizadas
 

gitpagedocs/docs/versions/0.0.7/en/git-introduction.md

@@ -16,10 +16,4 @@ Basic Git concepts for beginners.
 - `git commit` - Create a snapshot
 - `git push` - Send to remote
 
-## Video
-
-*A brief introduction to Git for beginners*, from the GitHub YouTube channel:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
-
 > Version: 0.0.7

gitpagedocs/docs/versions/0.0.7/es/git-introduction.md

@@ -9,10 +9,4 @@ Conceptos basicos de Git para principiantes.
 - `git commit` - registrar commit
 - `git push` - enviar a remoto
 
-## Video
-
-*A brief introduction to Git for beginners*, del canal de GitHub en YouTube:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
-
 > Version (ES): 0.0.7

gitpagedocs/docs/versions/0.0.7/pt/git-introduction.md

@@ -9,10 +9,4 @@ Conceitos basicos de Git para iniciantes.
 - `git commit` - registrar commit
 - `git push` - enviar para remoto
 
-## Video
-
-*A brief introduction to Git for beginners*, do canal do GitHub no YouTube:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
-
 > Versao: 0.0.7

tools/gitpagedocs/docs/versions/0.0.7/en/git-introduction.md

@@ -16,10 +16,4 @@ Basic Git concepts for beginners.
 - `git commit` - Create a snapshot
 - `git push` - Send to remote
 
-## Video
-
-*A brief introduction to Git for beginners*, from the GitHub YouTube channel:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
-
 > Version: 0.0.7

tools/gitpagedocs/docs/versions/0.0.7/es/git-introduction.md

@@ -9,10 +9,4 @@ Conceptos basicos de Git para principiantes.
 - `git commit` - registrar commit
 - `git push` - enviar a remoto
 
-## Video
-
-*A brief introduction to Git for beginners*, del canal de GitHub en YouTube:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
-
 > Version (ES): 0.0.7

tools/gitpagedocs/docs/versions/0.0.7/pt/git-introduction.md

@@ -9,10 +9,4 @@ Conceitos basicos de Git para iniciantes.
 - `git commit` - registrar commit
 - `git push` - enviar para remoto
 
-## Video
-
-*A brief introduction to Git for beginners*, do canal do GitHub no YouTube:
-
-[![A brief introduction to Git for beginners | GitHub](https://img.youtube.com/vi/r8jQ9hVA2qs/hqdefault.jpg)](https://www.youtube.com/watch?v=r8jQ9hVA2qs)
-
 > Versao: 0.0.7