chore: initial commit local CI/CD system (e2e verified, production-ready)

Sistema CI locale basato su VMware Workstation + Gitea Actions + act_runner.
Testato e2e con nsis-plugin-nsinnounp (MSBuild + Python, 4 configurazioni parallele).

- scripts/: Invoke-CIJob, Invoke-RemoteBuild, New/Remove-BuildVM, Wait-VMReady, Get-BuildArtifacts
- runner/: act_runner config (windows-build label, capacity 4)
- gitea/workflows/: build-nsis.yml (template per progetti MSBuild/Python)
- template/: script di provisioning template VM (VS BuildTools 2026, .NET SDK 10, Python 3.13)
- docs/: ARCHITECTURE, CI-FLOW, OPTIMIZATION, BEST-PRACTICES, Setup-GiteaSSH

Verificato: e2e-009 SUCCESS in 02:09, cleanup automatico VM confermato.

.gitignore

@@ -0,0 +1,44 @@
+# Local CI/CD System — .gitignore
+
+# Secrets e credenziali — mai committare
+*.credential
+*.password
+secrets/
+.env
+.env.*
+
+# Log e output temporanei
+logs/
+*.log
+
+# Artifact di build (storti su F:\CI\Artifacts, non nel repo)
+artifacts/
+
+# Directory di lavoro runtime (create da runner)
+work/
+runner/work/
+
+# File runner con registration token (generato da act_runner register)
+runner/.runner
+
+# File VMware generati
+*.vmx.lck/
+*.vmdk
+*.nvram
+*.vmsd
+*.vmxf
+*.vmem
+*.vmsn
+
+# Windows
+Thumbs.db
+desktop.ini
+$RECYCLE.BIN/
+
+# VS Code
+.vscode/settings.json
+.vscode/launch.json
+
+# Temp
+*.tmp
+~$*