chore: Add version tagging script for feature releases

Creating tags only, not intended for creating releases.

scripts/ver-tag.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+set -e
+
+# exmaple:
+# scripts/ver-tag.sh [feature-name] patch
+# scripts/ver-tag.sh [feature-name] prelease pre-.
+
+FEATURE="${1}"
+RANGE="${2}"
+PREREL="${3}"
+test -n "${FEATURE}" || { echo "Missing feature name"; exit 1; }
+
+LATEST="$(jq -r '.version' "src/${FEATURE}/devcontainer-feature.json")"
+
+VERSION="$(
+    if [ "${RANGE}" = "prelease" ]; then
+        semver bump "${RANGE}" "${PREREL}}" "${LATEST}"
+    else
+        semver bump "${RANGE}" "${LATEST}"
+    fi
+)"
+echo "New version: ${VERSION}"
+
+# Update devcontainer-feature.json
+jq ".version = \"${VERSION}\"" "src/${FEATURE}/devcontainer-feature.json" > "src/${FEATURE}/devcontainer-feature.json.tmp"
+mv "src/${FEATURE}/devcontainer-feature.json.tmp" "src/${FEATURE}/devcontainer-feature.json"
+
+git add "src/${FEATURE}/devcontainer-feature.json"
+MESSAGE="feature-${FEATURE}-${VERSION}"
+git commit -m "${MESSAGE}"
+git tag "${MESSAGE}" -am "${MESSAGE}"
+
+echo "Operations for release:"
+echo "- git push --follow-tags origin"
+echo "- Run the release workflow on GitHub"