Settle on v1 setup method. Test run completed successfully from bootstrap to service setup.

- Refactor dnsmasq configuration and scripts for improved variable handling and clarity
- Updated dnsmasq configuration files to use direct variable references instead of data source functions for better readability.
- Modified setup scripts to ensure they are run from the correct environment and directory, checking for the WC_HOME variable.
- Changed paths in README and scripts to reflect the new directory structure.
- Enhanced error handling in setup scripts to provide clearer guidance on required configurations.
- Adjusted kernel and initramfs URLs in boot.ipxe to use the updated variable references.

setup/dnsmasq/boot.ipxe

@@ -1,5 +1,5 @@
 !ipxe
 imgfree
-kernel http://{{ (ds "config").cloud.dns.ip }}/amd64/vmlinuz talos.platform=metal console=tty0 init_on_alloc=1 slab_nomerge pti=on consoleblank=0 nvme_core.io_timeout=4294967295 printk.devkmsg=on ima_template=ima-ng ima_appraise=fix ima_hash=sha512 selinux=1 net.ifnames=0
-initrd http://{{ (ds "config").cloud.dns.ip }}/amd64/initramfs.xz
+kernel http://{{ .cloud.dns.ip }}/amd64/vmlinuz talos.platform=metal console=tty0 init_on_alloc=1 slab_nomerge pti=on consoleblank=0 nvme_core.io_timeout=4294967295 printk.devkmsg=on ima_template=ima-ng ima_appraise=fix ima_hash=sha512 selinux=1 net.ifnames=0
+initrd http://{{ .cloud.dns.ip }}/amd64/initramfs.xz
 boot