Add Server Buddy desktop app with local Linux assessment and reporting

.gitignore

@@ -0,0 +1,27 @@
+.venv/
+__pycache__/
+*.py[cod]
+.pytest_cache/
+build/
+dist/
+reports/
+*.spec
+
+# Local tooling and credentials
+.agents/
+.aws/
+.codex/
+.env
+.env.*
+!.env.example
+*.pem
+*.key
+*.pfx
+*.p12
+
+# Local assessment artifacts (may contain infrastructure details)
+server-buddy-assessment.*
+server-buddy-local-*.json
+core
+core.*
+*.bundle