added an api to free allocated pages as well as more unit tests #34

	name: StelluxOS Tests

	on:
	push:
	branches:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Setup Environment
	run: sudo apt-get update

	- name: Install Dependencies
	run: make install-dependencies

	- name: Build Stellux OS
	run: make

	- name: Verify that kernel ELF is created
	run: \|
	if [ ! -f kernel/bin/kernel.elf ]; then
	echo "Kernel ELF not found!"
	exit 1
	fi

	- name: Verify that StelluxOS image is created
	run: \|
	if [ ! -f bin/stellux.elf ]; then
	echo "Stellux image not found!"
	exit 1
	fi

	- name: Clean build
	run: make clean

	unit-tests:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Setup Environment
	run: sudo apt-get update

	- name: Install Dependencies
	run: make install-dependencies

	- name: Build and Execute Unit Tests
	run: make execute-unit-tests

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