Sort frontmatter entries

Again, this makes scripted modifications easier.

user/downloading-installing-upgrading/custom-install.md

@@ -1,11 +1,11 @@
 ---
+advanced: true
 lang: en
 layout: doc
 permalink: /doc/custom-install/
 redirect_from:
 - /doc/encryption-config/
 ref: 152
-advanced: true
 title: Custom Installation
 ---
 

user/downloading-installing-upgrading/testing.md

@@ -1,9 +1,9 @@
 ---
+advanced: true
 lang: en
 layout: doc
 permalink: /doc/testing/
 ref: 147
-advanced: true
 title: Testing New Releases and Updates
 ---
 

user/how-to-guides/how-to-update.md

@@ -3,7 +3,7 @@ lang: en
 layout: doc
 permalink: /doc/how-to-update/
 redirect_from:
- - /doc/updating-qubes-os/
+- /doc/updating-qubes-os/
 ref: 200
 title: How to Update
 ---

user/templates/debian/debian-upgrade.md

@@ -1,4 +1,5 @@
 ---
+advanced: true
 lang: en
 layout: doc
 permalink: /doc/template/debian/upgrade/
@@ -9,7 +10,6 @@ redirect_from:
 - /doc/DebianTemplateUpgrade8/
 - /wiki/DebianTemplateUpgrade8/
 ref: 133
-advanced: true
 title: How to Upgrade a Debian Template In-place
 ---
 

user/templates/fedora/fedora-upgrade.md

@@ -1,4 +1,5 @@
 ---
+advanced: true
 lang: en
 layout: doc
 permalink: /doc/template/fedora/upgrade/
@@ -20,7 +21,6 @@ redirect_from:
 - /wiki/FedoraTemplateUpgrade28/
 - /doc/template/fedora/upgrade-29-to-30/
 ref: 137
-advanced: true
 title: How to Upgrade a Fedora Template In-place
 ---
 

user/templates/minimal-templates.md

@@ -1,4 +1,5 @@
 ---
+advanced: true
 lang: en
 layout: doc
 permalink: /doc/templates/minimal/
@@ -10,7 +11,6 @@ redirect_from:
 - /wiki/Templates/FedoraMinimal/
 - /doc/templates/debian-minimal/
 ref: 132
-advanced: true
 title: Minimal Templates
 ---