Merge nucleic/mellow-dewy-falcon-rjhr into main

Sources/RunnerCore/Version.swift

@@ -0,0 +1,11 @@
+import Foundation
+
+/// Version stamp for the runner host tool itself.
+///
+/// This is *not* the version of the `gitea-runner` binary installed into the
+/// guest — that one lives in ``RunnerConfig/RunnerSection/version``.
+public enum RunnerVersion {
+    /// The semantic version of this build, reported by `--version` and by
+    /// `doctor`.
+    public static let current = "0.1.0"
+}