Add mcp-servers playbook and role submodule

Cluster-internal, read-only MCP servers (Gitea, Grafana, Nextcloud,
Discourse) for the LocalAI agent pool, acting as LDAP user localai.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitmodules

@@ -130,3 +130,6 @@
 [submodule "roles/ericomeehan.monero"]
 	path = roles/ericomeehan.monero
 	url = git@gitea.eom.dev:DevOps/ansible-role-monero.git
+[submodule "roles/ericomeehan.mcp-servers"]
+	path = roles/ericomeehan.mcp-servers
+	url = git@gitea.eom.dev:DevOps/ansible-role-mcp-servers.git

mcp-servers.yaml

@@ -0,0 +1,5 @@
+- name: Deploy cluster-internal MCP servers for the LocalAI agent pool
+  hosts: alpha-control-plane
+  become: true
+  roles:
+    - role: ericomeehan.mcp-servers