added bump

Author: okaris

scripts/bump.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+set -e
+
+version=$(git describe --tags --abbrev=0 | sed 's/^v//')
+IFS='.' read -r major minor patch <<EOF
+$version
+EOF
+
+case "$1" in
+  major) major=$((major + 1)); minor=0; patch=0 ;;
+  minor) minor=$((minor + 1)); patch=0 ;;
+  patch) patch=$((patch + 1)) ;;
+  *) echo "Usage: $0 {major|minor|patch}"; exit 1 ;;
+esac
+
+new_tag="v$major.$minor.$patch"
+git commit --allow-empty -m "chore: bump version to $new_tag"
+git tag "$new_tag"
+git push origin HEAD "$new_tag"
+echo "Bumped to $new_tag"