Do not restrict VMs to a single config

Also "allows" full-system build without install.

full/README.md

@@ -0,0 +1,6 @@
+# full profile
+
+Fake configuration that contains everything I could ever need,
+used for debugging.
+Can't build a full system due to not having a filesystem / bootloader configuration,
+build as a VM (without bootloader).

full/options.nix

@@ -0,0 +1,14 @@
+{ ... }:
+{
+  frogeye = {
+    desktop.xorg = true;
+    dev = {
+      ansible = true;
+      c = true;
+      docker = true;
+      fpga = true;
+      python = true;
+    };
+    extra = true;
+  };
+}

full/os.nix

@@ -0,0 +1,10 @@
+{ ... }:
+{
+  imports = [
+    ../os
+    ./options.nix
+  ];
+
+  # Create a different disk image depending on the architecture
+  networking.hostName = "${builtins.currentSystem}";
+}