Fix form-data-backend docs for installation and replace deprecated set-output command #3

	name: Build Packages
	on:
	pull_request:
	branches:
	- main
	jobs:
	generate_matrix:
	name: Find services
	runs-on: ubuntu-latest
	outputs:
	folders: ${{ steps.generate_matrix.outputs.folders }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	- name: Generate matrix
	id: generate_matrix
	shell: bash
	run: \|
	cd ./packages
	folders=$(tree -J -d -L 1 \| jq -c '.[0].contents \| map(.name)')
	echo $folders
	echo "folders=$folders" >> $GITHUB_OUTPUT


	build:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	packages: write
	needs: [ generate_matrix ]
	strategy:
	matrix:
	folder: ${{ fromJson(needs.generate_matrix.outputs.folders) }}
	defaults:
	run:
	working-directory: ./packages/${{ matrix.folder }}
	steps:
	-
	name: Checkout repository
	uses: actions/checkout@v3
	-
	name: Install dependencies
	run: yarn install --frozen-lockfile
	-
	name: Build TypeScript
	run: yarn tsc
	-
	name: Build packages
	run: yarn build

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