Add `workflow_dispatch` trigger #18

	# based on
	# https://www.moncefbelyamani.com/making-github-pages-work-with-latest-jekyll/

	name: Build and Deploy a Jekyll Site to GitHub Pages

	on:
	push:
	branches:
	- master
	workflow_dispatch:

	jobs:
	jekyll:
	runs-on: ubuntu-latest
	steps:
	- name: 📂 setup
	uses: actions/checkout@v4
	# include the lines below if you are using jekyll-last-modified-at
	# or if you would otherwise need to fetch the full commit history
	# however this may be very slow for large repositories!
	# with:
	# fetch-depth: '0'

	- name: 💎 setup ruby
	uses: ruby/setup-ruby@v1
	with:
	# Just use ruby version from .ruby-version
	# ruby-version: "3.2"
	bundler-cache: true

	- name: 🔨 install dependencies & build site
	uses: limjh16/jekyll-action-ts@v2
	with:
	enable_cache: true

	- name: 🚀 deploy
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./_site
	# if the repo you are deploying to is <username>.github.io, uncomment the line below.
	# if you are including the line below, make sure your source files are NOT in the "main" branch:
	publish_branch: gh-pages

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