Move "Gentoo" notes into a folder.

Author: paveloom

content/notes/Gentoo_Filesystem.md renamed to content/notes/Gentoo/Filesystem.md

@@ -1,7 +1,9 @@
 +++
-title = "Gentoo: Filesystem"
+title = "Gentoo > Filesystem"
 +++
 
+See also the [parent note](@/notes/Gentoo/_index.md).
+
 Gentoo adheres to the following filesystem layout:
 
 - `/bin`: Boot-critical applications
@@ -31,7 +33,3 @@ On most Gentoo systems, though, some of those paths will be symlinks. For exampl
 ## References
 
 - [Gentoo Development Guide: Filesystem](https://devmanual.gentoo.org/general-concepts/filesystem/index.html)
-
-## See also
-
-- [Gentoo](@/notes/Gentoo.md)

content/notes/Gentoo_Update_workflow.md renamed to content/notes/Gentoo/Update_workflow.md

@@ -1,7 +1,9 @@
 +++
-title = "Gentoo: Update workflow"
+title = "Gentoo > Update workflow"
 +++
 
+See also the [parent note](@/notes/Gentoo/_index.md).
+
 There are two local repositories, `gentoo` and `guru`.
 
 Here's how the remotes are set up for `gentoo`:
@@ -135,7 +137,3 @@ Typical system update procedure:
 3. Synchronize the system repositories with `emerge --sync`.
 
 4. Update the system with `emerge -uND @world`.
-
-## See also
-
-- [Gentoo](@/notes/Gentoo.md)

content/notes/Gentoo.md renamed to content/notes/Gentoo/_index.md

@@ -14,7 +14,7 @@ Links:
 - [Gentoo's Bugzilla](https://bugs.gentoo.org)
 - [Wikipedia](https://en.wikipedia.org/wiki/Gentoo_Linux)
 
-Subpages:
+Child notes:
 
-- [Filesystem](@/notes/Gentoo_Filesystem.md)
-- [Update workflow](@/notes/Gentoo_Update_workflow.md)
+- [Filesystem](@/notes/Gentoo/Filesystem.md)
+- [Update workflow](@/notes/Gentoo/Update_workflow.md)