Add SemVer VERSION, Jenkins CI/CD, and release 0.1.1.

Ship Harbor/Hub push with latest+version tags, deploy to ovirt.devops.org.ru, and show the package version badge in Help → About.

scripts/bump_version.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+"""CLI: bump project SemVer (VERSION + pyproject + Helm chart/values)."""
+
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+if str(ROOT) not in sys.path:
+    sys.path.insert(0, str(ROOT))
+
+from app.version import bump_minor_version, bump_patch_version  # noqa: E402
+
+
+def main(argv: list[str] | None = None) -> int:
+    args = argv if argv is not None else sys.argv[1:]
+    if len(args) != 1 or args[0] not in {"patch", "minor"}:
+        print("Usage: bump_version.py patch|minor", file=sys.stderr)
+        return 1
+    version = bump_patch_version() if args[0] == "patch" else bump_minor_version()
+    print(version)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())