feat: Add professional hierarchical documentation

- Created comprehensive README.md with Mermaid diagrams, badges, and TOC
- Added docs/ directory with 7 sections and 14 markdown files
- Included architecture diagrams, flowcharts, and sequence diagrams
- All documentation is fully interlinked with cross-references
- Added ISO storage location on Proxmox development server
- Included troubleshooting guide and evaluation management docs
- All config files (Packer, Terraform, Ansible, Forgejo) documented
- Added icons and visual elements throughout documentation

.gitignore

@@ -0,0 +1,40 @@
+# Packer
+*.pkr.hcl.pkr.hcl
+
+# Terraform
+*.tfstate
+*.tfstate.*
+.terraform/
+.terraform.lock.hcl
+crash.log
+override.tf
+override.tf.json
+*.tfplan
+
+# Ansible
+*.retry
+inventory.ini
+
+# Forgejo
+*.pfx
+
+# Build artifacts
+dist/
+*.exe
+*.msi
+*.dll
+*.o
+
+# OS
+.DS_Store
+Thumbs.db
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Logs
+*.log