add make release bash script (#1475)

* add make release bash script

* read me details

* uncomment git uncommited changes

* typo

* tweaks

* use package.json as source of truth, not git tags

Author: Irev-Dev

README.md

@@ -136,6 +136,11 @@ Before you submit a contribution PR to this repo, please ensure that:
 VERSION=x.y.z yarn run bump-jsons
 ```
 
+Alternatively you can try the experimental `make-release.sh` bash script that will create the branch with the updated json files for you.
+run `./make-release.sh` for a patch update
+run `./make-release.sh "minor"` for minor
+run `./make-release.sh "major"` for major
+
 The PR may serve as a place to discuss the human-readable changelog and extra QA. A quick way of getting PR's merged since the last bump is to [use this PR filter](https://github.com/KittyCAD/modeling-app/pulls?q=is%3Apr+sort%3Aupdated-desc+is%3Amerged+), open up the browser console and past in the following
 
 ```typescript

make-release.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+if ! git diff-index --quiet HEAD --; then
+  echo "Please stash uncommitted changes before running release script"
+  exit 1
+fi
+
+git checkout main
+git pull
+git fetch --all
+
+# Get the latest semver tag from git
+latest_tag=$(jq -r '.version' package.json)
+latest_tag="v$latest_tag"
+
+# Print the latest semver tag
+echo "Latest semver tag: $latest_tag"
+
+# Function to bump version numbers
+bump_version() {
+  local version=$1
+  local bump_type=$2
+  local major=$(echo $version | cut -d '.' -f 1 | sed 's/v//')
+  local minor=$(echo $version | cut -d '.' -f 2)
+  local patch=$(echo $version | cut -d '.' -f 3)
+
+  case "$bump_type" in
+    major)
+      major=$((major + 1))
+      minor=0
+      patch=0
+      ;;
+    minor)
+      minor=$((minor + 1))
+      patch=0
+      ;;
+    *)
+      patch=$((patch + 1))
+      ;;
+  esac
+
+  echo "v${major}.${minor}.${patch}"
+}
+
+# Determine the type of bump based on the argument
+bump_type=${1:-patch}
+
+# Bump the version
+new_version=$(bump_version $latest_tag $bump_type)
+
+# Print the new semver tag
+echo "New semver tag: $new_version"
+new_version_number=${new_version:1}
+echo "New version number without 'v': $new_version_number"
+
+
+git checkout -b "cut-release-$new_version"
+
+echo "$(jq --arg v "$new_version_number" '.version=$v' package.json --indent 2)" > package.json
+echo "$(jq --arg v "$new_version_number" '.package.version=$v' src-tauri/tauri.conf.json --indent 2)" > src-tauri/tauri.conf.json
+
+git add package.json src-tauri/tauri.conf.json
+git commit -m "Cut release $new_version"
+
+echo ""
+echo "Versions has been bumped in relevant json files, a branch has been created and committed to."
+echo ""
+echo "What's left for you to do is, push the branch and make the release PR."
+echo ""