feat: add shared bins volume for uv and cobbler-enc (#61)

- Add puppet-shared-bins PVC (10GB) for shared binaries
- Mount /opt/bin in both compiler and master deployments
- Add init container to install uv binary and cobbler script to shared volume
- Update cobbler-enc to use absolute path and uv cache directory
- Configure puppet.conf to reference cobbler-enc from /opt/bin

Reviewed-on: #61

apps/base/puppet/resources/cobbler-enc

@@ -1,4 +1,4 @@
-#!/usr/bin/env -S uv run --quiet --script
+#!/usr/bin/env -S /opt/bin/uv run --quiet --cache-dir /opt/bin/.cache/uv --script
 # /// script
 # requires-python = ">=3.11"
 # dependencies = ['pyyaml','requests']

apps/base/puppet/resources/compiler/puppet.conf

@@ -13,7 +13,7 @@ environmentpath = /etc/puppetlabs/code/environments
 
 [master]
 node_terminus = exec
-external_nodes = /etc/puppetlabs/puppet/cobbler-enc
+external_nodes = /opt/bin/cobbler-enc
 autosign = /etc/puppetlabs/puppet/autosign.conf
 default_manifest = /etc/puppetlabs/code/environments/develop/manifests
 default_environment = develop