Update README and makefile build script

Makefile

@@ -1,15 +1,15 @@
 
 EXTRA_SNAPS =
-ALL_SNAPS = $(EXTRA_SNAPS) evince firefox gnome-calculator gnome-characters gnome-clocks gnome-font-viewer gnome-logs gnome-system-monitor gnome-text-editor gnome-weather loupe snapd-desktop-integration snap-store ubuntu-core-desktop-init workshops
+ALL_SNAPS = $(EXTRA_SNAPS) firefox
 all: pc.tar.gz
 
-pc.img: ubuntu-core-desktop-22-amd64.model $(EXTRA_SNAPS)
+pc.img: ubuntu-core-desktop-24-amd64.model $(EXTRA_SNAPS)
 	rm -rf img/
 	ubuntu-image snap --output-dir img --image-size 20G \
 	  $(foreach snap,$(ALL_SNAPS),--snap $(snap)) $<
 	mv img/pc.img .
 
-pc-dangerous.img: ubuntu-core-desktop-22-amd64-dangerous.model $(EXTRA_SNAPS)
+pc-dangerous.img: ubuntu-core-desktop-24-amd64-dangerous.model $(EXTRA_SNAPS)
 	rm -rf dangerous/
 	ubuntu-image snap --output-dir dangerous --image-size 20G \
 	  $(foreach snap,$(ALL_SNAPS),--snap $(snap)) $<

README.md

@@ -12,7 +12,7 @@ in a Qemu virtual machine by following these instructions:
     # Delete VM if already registered
     virsh --connect qemu:///session undefine --nvram core-desktop
     virt-install --connect qemu:///session --name core-desktop \
-      --memory 2048 --vcpus 2 --boot uefi --os-variant ubuntu22.04 \
+      --memory 2048 --vcpus 2 --boot uefi --os-variant ubuntu24.04 \
       --video virtio,accel3d=no --graphics spice \
       --import --disk path=$(pwd)/pc.img,format=raw
     ```
@@ -50,12 +50,24 @@ repositories. Namely:
 
 | Snap | Repo | Recipe | Notes |
 | ---- | ---- | ------ | ----- |
-| `core22-desktop` | [core-base-desktop](https://github.com/canonical/core-base-desktop) | [via launchpad](https://launchpad.net/~ubuntu-desktop/+snap/core22-desktop) | base snap, forked from `core22` to integrate GDM graphical login |
-| `pc-desktop` | [pc-amd64-gadget-desktop](https://github.com/canonical/pc-amd64-gadget-desktop) | [via launchpad](https://launchpad.net/~ubuntu-desktop/pc-gadget-desktop/+snap/pc-amd64-gadget-desktop-core22) | gadget snap, forked from `pc`, using `core22-desktop` as a base |
+| `core24-desktop` | [core-base-desktop:24](https://github.com/canonical/core-base-desktop/tree/24) | [via launchpad](https://launchpad.net/~desktop-snappers/ubuntu-core-desktop/+snap/core24-desktop) | base snap, forked from `core24` to integrate GDM graphical login |
+| `pc-desktop` | [pc-amd64-gadget-desktop:24](https://github.com/canonical/pc-amd64-gadget-desktop/tree/24) | [via launchpad](https://launchpad.net/~ubuntu-desktop/pc-gadget-desktop/+snap/pc-amd64-gadget-desktop-core24) | gadget snap, forked from `pc`, using `core24-desktop` as a base |
+| `ubuntu-desktop-session` | [ubuntu-desktop-session-snap:24](https://github.com/canonical/ubuntu-desktop-session-snap/tree/24) | [via launchpad](https://launchpad.net/~ubuntu-desktop/+snap/ubuntu-desktop-session-snap-core24) | provides the confined desktop session |
+| `snapd` | [ubuntu-core-desktop-snapd:master](https://github.com/canonical/ubuntu-core-desktop-snapd) | [via launchpad](https://launchpad.net/~snappy-dev/+snap/ubuntu-core-desktop-snapd) | a branch of snapd with additional changes not yet merged to mainline |
+
+<details>
+<summary>Core 22 Repositories</summary>
+
+| Snap | Repo | Recipe | Notes |
+| ---- | ---- | ------ | ----- |
+| `core22-desktop` | [core-base-desktop:22](https://github.com/canonical/core-base-desktop/tree/22) | [via launchpad](https://launchpad.net/~ubuntu-desktop/+snap/core22-desktop) | base snap, forked from `core22` to integrate GDM graphical login |
+| `pc-desktop` | [pc-amd64-gadget-desktop:22](https://github.com/canonical/pc-amd64-gadget-desktop/tree/22) | [via launchpad](https://launchpad.net/~ubuntu-desktop/pc-gadget-desktop/+snap/pc-amd64-gadget-desktop-core22) | gadget snap, forked from `pc`, using `core22-desktop` as a base |
 | `pi-desktop` | [pi-desktop](https://github.com/canonical/pi-desktop) | [via launchpad](https://launchpad.net/~desktop-snappers/+snap/pi-desktop) | Pi gadget snap, forked from `pi`, using `core22-desktop` as a base |
-| `ubuntu-desktop-session` | [ubuntu-desktop-session-snap](https://github.com/canonical/ubuntu-desktop-session-snap) | [via launchpad](https://launchpad.net/~ubuntu-desktop/+snap/ubuntu-desktop-session-snap-core22) | provides the confined desktop session |
+| `ubuntu-desktop-session` | [ubuntu-desktop-session-snap:22](https://github.com/canonical/ubuntu-desktop-session-snap/tree/22) | [via launchpad](https://launchpad.net/~ubuntu-desktop/+snap/ubuntu-desktop-session-snap-core22) | provides the confined desktop session |
 | `snapd` | [ubuntu-core-desktop-snapd](https://github.com/canonical/ubuntu-core-desktop-snapd) | [via ~snappy-dev](https://launchpad.net/~snappy-dev/+snap/ubuntu-core-desktop-snapd) | a branch of snapd with additional changes not yet merged to mainline |
 
+</details>
+
 In addition, the base snap uses packages from the [desktop-snappers
 core-desktop
 PPA](https://launchpad.net/~desktop-snappers/+archive/ubuntu/core-desktop). This