docs: rewrite README with structured overview and quick start guide

Replaces the minimal project description with a comprehensive README
including a component overview table, quick start instructions, common
Ansible operations, and links to detailed documentation. Aligns with
Red Panda Approval™ standards.

ansible/neo4j_mcp/deploy.yml

@@ -0,0 +1,56 @@
+---
+- name: Deploy Neo4j MCP Servers with Docker Compose
+  hosts: ubuntu
+  become: true
+  vars:
+    required_service: neo4j_mcp
+  tasks:
+  - name: Check if host has neo4j_mcp service
+    ansible.builtin.set_fact:
+      has_neo4j_mcp_service: "{{ required_service in services | default([]) }}"
+
+  - name: Skip hosts without neo4j_mcp service
+    ansible.builtin.meta: end_host
+    when: not has_neo4j_mcp_service
+
+  - name: Create neo4j_mcp group
+    ansible.builtin.group:
+      name: "{{neo4j_mcp_group}}"
+
+  - name: Create neo4j_mcp user
+    ansible.builtin.user:
+      name: "{{neo4j_mcp_user}}"
+      comment: "{{neo4j_mcp_user}}"
+      group: "{{neo4j_mcp_group}}"
+      system: true
+
+  - name: Add group neo4j_mcp to user ponos
+    ansible.builtin.user:
+      name: ponos
+      groups: "{{neo4j_mcp_group}}"
+      append: true
+
+  - name: Create neo4j_mcp directory
+    ansible.builtin.file:
+      path: "{{neo4j_mcp_directory}}"
+      owner: "{{neo4j_mcp_user}}"
+      group: "{{neo4j_mcp_group}}"
+      state: directory
+      mode: '750'
+
+  - name: Template docker-compose file
+    ansible.builtin.template:
+      src: docker-compose.yml.j2
+      dest: "{{neo4j_mcp_directory}}/docker-compose.yml"
+      owner: "{{neo4j_mcp_user}}"
+      group: "{{neo4j_mcp_group}}"
+      mode: '550'
+
+  - name: Reset SSH connection to apply group changes
+    meta: reset_connection
+
+  - name: Start Neo4j MCP services
+    community.docker.docker_compose_v2:
+      project_src: "{{neo4j_mcp_directory}}"
+      state: present
+      pull: always

ansible/neo4j_mcp/docker-compose.yml.j2

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+services:
+  neo4j-cypher:
+    image: mcp/neo4j-cypher:latest
+    pull_policy: always
+    container_name: neo4j-cypher
+    restart: unless-stopped
+    ports:
+      - "{{neo4j_cypher_mcp_port}}:8000"
+    environment:
+      - NEO4J_URI=bolt://{{neo4j_host}}:{{neo4j_bolt_port}}
+      - NEO4J_USERNAME=neo4j
+      - NEO4J_PASSWORD={{neo4j_auth_password}}
+      - NEO4J_DATABASE=neo4j
+      - NEO4J_TRANSPORT=http
+      - NEO4J_MCP_SERVER_HOST=0.0.0.0
+      - NEO4J_MCP_SERVER_PORT=8000
+      - NEO4J_MCP_SERVER_PATH=/mcp
+      - NEO4J_NAMESPACE=local
+      - NEO4J_MCP_SERVER_ALLOWED_HOSTS=localhost,127.0.0.1,miranda.incus,rosalind.incus,miranda.incus:{{neo4j_cypher_mcp_port}}
+      - NEO4J_MCP_SERVER_ALLOW_ORIGINS=
+      - NEO4J_READ_TIMEOUT=30
+    logging:
+      driver: syslog
+      options:
+        syslog-address: "tcp://127.0.0.1:{{neo4j_cypher_syslog_port}}"
+        syslog-format: "{{syslog_format}}"
+        tag: "neo4j-cypher"