feat: add bazaar configuration

mkosi.extra/etc/bazaar/bazaar.yaml

@@ -0,0 +1,4 @@
+curated-config-paths:
+  - /etc/bazaar/curated.yaml
+  # Flatpak path with host-etc permission
+  - /run/host/etc/bazaar/curated.yaml

mkosi.extra/etc/bazaar/curated.yaml

@@ -0,0 +1,31 @@
+rows:
+  - banner:
+      height: 250
+      image:
+        light-uri: file:///run/host/etc/bazaar/images/apollo-light.png
+        dark-uri: file:///run/host/etc/bazaar/images/apollo-dark.png 
+        fit: cover
+        can-shrink: true
+        alt: "The Apollo wallpaper: a rocket flying in the sky"
+  - section:
+      title:
+        en: "Welcome to Apollo!"
+      subtitle:
+        string: |
+          We've picked out some apps to help get you started
+      appids:
+        list:
+          - io.github.alainm23.planify
+          - org.mozilla.thunderbird
+          - org.libreoffice.LibreOffice
+          - org.gnome.gitlab.somas.Apostrophe
+          - re.sonny.Eloquent
+          - be.alexandervanhee.gradia
+          - org.gnome.World.PikaBackup
+          - io.github.nozwock.Packet
+          - io.gitlab.adhami3310.Impression
+          - page.tesk.Refine
+          - com.mattjakeman.ExtensionManager
+          - io.github.flattool.Warehouse
+          - io.github.flattool.Ignition
+          - com.github.tchx84.Flatseal

mkosi.extra/usr/lib/tmpfiles.d/bazaar-flatpak.conf

@@ -0,0 +1 @@
+L /var/lib/flatpak/overrides/io.github.kolunmi.Bazaar - - - - /usr/share/apollo/flatpak-overrides/io.github.kolunmi.Bazaar

mkosi.extra/usr/share/apollo/flatpak-overrides/io.github.kolunmi.Bazaar

@@ -0,0 +1,2 @@
+[Context]
+filesystems=host-etc