Add linux build CI job #4

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	name: Linux Build

	on:
	push:
	branches:
	- "main"

	pull_request:

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.repository }}-${{ github.head_ref \|\| github.sha }}
	cancel-in-progress: true

	jobs:
	ubuntu-debug:
	runs-on: ubuntu-latest
	if: ${{ github.repository == 'facebookexternal/nimble' }}
	name: "Ubuntu Build"
	env:
	CCACHE_DIR: "${{ github.workspace }}/.ccache"
	defaults:
	run:
	shell: bash
	working-directory: nimble
	steps:
	- uses: actions/checkout@v4
	with:
	path: nimble

	- name: Install Dependencies
	run: \|
	sudo apt install -y flatbuffers-compiler libflatbuffers-dev

	- name: Build
	run: \|
	make

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