Install Obsidian by default

docs/packages.md

@@ -158,6 +158,7 @@ The everyday apps come from the official repositories with everything else:
 | `gnome-system-monitor` | processes and resources |
 | `pavucontrol` | audio mixer |
 | `network-manager-applet` | network connections (`nm-connection-editor`) |
+| `obsidian` | notes; `Super + Shift + O` opens or focuses it |
 
 `hunspell-en_us` gives LibreOffice spell checking, and `ttf-liberation` gives it
 metric-compatible replacements for Arial, Times New Roman and Courier New, so

packages/blob.packages

@@ -138,7 +138,7 @@ hunspell-en_us
 ttf-liberation
 kdenlive
 
-# Everyday desktop apps: text editor, calculator, archives, disk usage, system monitor, audio mixer
+# Everyday desktop apps: text editor, calculator, archives, disk usage, system monitor, audio mixer, notes
 gnome-text-editor
 gnome-calculator
 file-roller
@@ -146,6 +146,7 @@ baobab
 gnome-system-monitor
 pavucontrol
 network-manager-applet
+obsidian
 
 # Archive formats for file-roller and the command line
 7zip