Add initial scripts and configuration for Fedora image build process

- Create .gitignore to exclude output directory
- Add Containerfile for building Fedora image with necessary configurations
- Implement build-iso.sh for ISO generation
- Implement build.sh for building the image
- Implement push-image.sh for pushing the built image to Docker Hub

build.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+IMAGE_NAME="tintounn/my-fedora"
+IMAGE_TAG="latest"
+OUTPUT_DIR="output/"
+
+echo "[INFO] Build de l'image avec sudo..."
+sudo buildah bud -t localhost/${IMAGE_NAME}:${IMAGE_TAG} .
+