feat: add ByteStash service for code snippet management

- Add ByteStash Docker service configuration and deployment
- Configure subdomain routing through Caddy
- Add DNS record for ByteStash subdomain
- Update development service category to include ByteStash

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

roles/docker/tasks/development/bytestash.yml

@@ -0,0 +1,19 @@
+- name: make bytestash directories
+  ansible.builtin.file:
+    path: "{{ item}}"
+    state: directory
+  loop:
+    - /opt/stacks/bytestash
+
+- name: Template out the compose file
+  ansible.builtin.template:
+    src: bytestash-compose.yml.j2
+    dest: /opt/stacks/bytestash/compose.yml
+    owner: root
+    mode: 644
+
+- name: deploy bytestash stack
+  community.docker.docker_compose_v2:
+    project_src: /opt/stacks/bytestash
+    files:
+    - compose.yml