Add dynamic inventory configuration

- Add development environment inventory structure
- Configure libvirt/KVM inventory plugin for VM management
- Add grokbox hypervisor host configuration
- Include existing VM hosts (pihole, mymx, derp)
- Set up SSH ProxyJump through grokbox for all VMs

inventories/development/group_vars/all.yml

@@ -0,0 +1,86 @@
+---
+# =============================================================================
+# Global Variables for All Hosts
+# =============================================================================
+# Applied to all hosts in the development inventory
+# =============================================================================
+
+# Ansible Connection Settings
+# -----------------------------------------------------------------------------
+ansible_connection: ssh
+ansible_python_interpreter: /usr/bin/python3
+
+# SSH Connection Optimization
+ansible_ssh_pipelining: true
+ansible_ssh_retries: 3
+
+# Privilege Escalation
+ansible_become: true
+ansible_become_method: sudo
+ansible_become_user: root
+
+# Fact Gathering
+gather_subset:
+  - '!all'
+  - '!min'
+  - network
+  - hardware
+  - virtual
+
+# Environment
+# -----------------------------------------------------------------------------
+environment_name: development
+deployment_timestamp: "{{ ansible_date_time.iso8601 }}"
+
+# Security Settings
+# -----------------------------------------------------------------------------
+security_hardening_enabled: false  # Less strict for dev environment
+selinux_enabled: true
+selinux_mode: permissive  # Permissive for development
+firewall_enabled: true
+
+# System Configuration
+# -----------------------------------------------------------------------------
+timezone: "UTC"
+ntp_servers:
+  - 0.pool.ntp.org
+  - 1.pool.ntp.org
+  - 2.pool.ntp.org
+
+# Package Management
+# -----------------------------------------------------------------------------
+package_state: present
+enable_automatic_updates: false  # Manual control in dev
+
+# Monitoring & Logging
+# -----------------------------------------------------------------------------
+log_rotation_enabled: true
+log_retention_days: 30
+syslog_server: null  # No central logging in dev
+
+# Essential Packages (from CLAUDE.md)
+# -----------------------------------------------------------------------------
+essential_packages:
+  - vim
+  - htop
+  - tmux
+  - jq
+  - bc
+  - curl
+  - wget
+  - rsync
+  - git
+  - python3
+  - python3-pip
+
+# Security Packages (from CLAUDE.md)
+# -----------------------------------------------------------------------------
+security_packages:
+  - aide
+  - auditd
+
+# Development Flags
+# -----------------------------------------------------------------------------
+dev_mode: true
+debug_enabled: false
+verbose_logging: false