docs: add more example and usage #93

	name: Run unit tests and examples of llvm-jit

	on:
	push:
	branches: "main"
	pull_request:
	branches: "main"
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: 'recursive'

	- name: Install Ninja and lcov (Ubuntu)
	run: sudo apt install -y ninja-build lcov llvm-15-dev libzstd-dev clang llvm

	- name: build
	run:
	\|
	LLVM_DIR=/usr/lib/llvm-15/cmake cmake -B build -DCMAKE_BUILD_TYPE=Debug -DBPFTIME_ENABLE_UNIT_TESTING=1 -DBPFTIME_ENABLE_CODE_COVERAGE=1 -G Ninja
	cmake --build build --target all -j

	- name: Run example
	run: \|
	./build/vm-llvm-example
	./build/maps-example

	- name: Build and run examples
	run: \|
	make -C example/standalone
	example/standalone/standalone
	make -C example/load-llvm-ir
	make -C example/inline

	- name: Run tests
	run: \|
	./build/test/unit-test/llvm_jit_tests

	- name: upload coverage
	run: \|
	lcov --capture --directory . --output-file coverage.info
	lcov --remove coverage.info '/usr/*' --output-file coverage.info # filter system-files
	lcov --list coverage.info # debug info

	- uses: codecov/codecov-action@v4
	with:
	fail_ci_if_error: true # optional (default = false)
	files: ./coverage.info # optional
	flags: unittests
	token: ${{ secrets.CODECOV_TOKEN }} # required
	verbose: true # optional (default = false)

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