Initialize git-contribution-graph project with Docker setup, environment configuration, and core functionality for merging contributions from GitHub, GitLab, and Gitea into an SVG heatmap.

config/bundles.php

@@ -0,0 +1,5 @@
+<?php
+
+return [
+    Symfony\Bundle\FrameworkBundle\FrameworkBundle::class => ['all' => true],
+];