Switch to gradle, remove 1.19.4, switch to Mojang mappings, and shade libraries #17

	name: Java CI

	on:
	workflow_dispatch:
	push:
	pull_request:
	schedule:
	- cron: '22 13 * * 6'

	jobs:
	# Build Movecraft
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: read

	steps:
	- name: Checkout Movecraft
	uses: actions/checkout@v4
	- name: Set up JDK 21
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '21'
	- name: Setup Gradle
	uses: gradle/actions/setup-gradle@v3
	with:
	build-scan-publish: true
	build-scan-terms-of-use-url: "https://gradle.com/terms-of-service"
	build-scan-terms-of-use-agree: "yes"

	- name: Build with Gradle
	run: ./gradlew clean shadowJar

	- name: Stage jar
	run: mkdir staging && cp Movecraft/build/libs/Movecraft.jar staging && mv staging/Movecraft.jar staging/Movecraft_$GITHUB_SHA.jar
	- name: Upload jar
	uses: actions/upload-artifact@v4
	with:
	name: Movecraft_Dev-Build
	path: staging/Movecraft_*.jar

Provide feedback