Initial port of KNELServerBuild to FetchApply framework

- Created base FetchApply directory structure with classes, initializers, modules, roles, and variables
- Ported SetupNewSystem.sh functionality to modular FetchApply structure
- Created server classes: physical, virtual, librenms, database, webserver, dev-workstation
- Implemented initializers for system-setup, packages, ssh-keys, and user-configuration
- Created modules for oam, system-config, ssh-hardening, and librenms-agent
- Defined security and monitoring roles
- Copied configuration templates from KNELServerBuild
- Updated README with comprehensive FetchApply usage instructions

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variables

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+# KNEL FetchApply Configuration Variables
+# This file contains global variables used throughout the FetchApply modules
+
+# Download root for external configurations
+export DL_ROOT="https://dl.knownelement.com/KNEL/FetchApply/"
+
+# System detection variables (will be populated at runtime)
+export UBUNTU_CHECK
+export IS_PHYSICAL_HOST
+export SUBODEV_CHECK
+export LOCALUSER_CHECK
+export KALI_CHECK
+export VIRT_TYPE
+export IS_VIRT_GUEST
+export IS_KVM_GUEST
+export LIBRENMS_CHECK
+export NTP_SERVER_CHECK
+export DEV_WORKSTATION_CHECK
+export IS_RASPI
+
+# User directories
+export ROOT_SSH_DIR="/root/.ssh"
+export LOCALUSER_SSH_DIR="/home/localuser/.ssh"
+export SUBODEV_SSH_DIR="/home/subodev/.ssh"
+
+# Framework paths
+export KNELShellFrameworkRoot="/usr/local/share/KNEL/ShellFramework"
+
+# Package management
+export DEBIAN_FRONTEND="noninteractive"
+
+# Logging
+export CURRENT_TIMESTAMP
+export LOGFILENAME="/var/log/fetchapply/knel-deployment.log"