feat: keep cache in a volume

enter.sh

@@ -11,6 +11,7 @@ podman run -it \
   -v ~/.config/git:/home/user/.config/git \
   -v "$name"-copilot:/home/user/.config/github-copilot \
   -v "$name"-local:/home/user/.local \
+  -v "$name"-cache:/home/user/.cache \
   --security-opt label=disable \
   --userns=keep-id \
   git.plabble.org/job79/dev:latest