MAPG-2 Init project MapGuesser

* add composer.json and basic environment
 * add basic classes
 * add basic map with JS and CSS (with demo functionality)
 * add files for docker-compose
 * add launch.json for Docker debug
 * add README

composer.json

@@ -0,0 +1,20 @@
+{
+  "name": "esoko/mapguesser",
+  "type": "project",
+  "description": "MapGuesser Application",
+  "license": "GNU GPL 3.0",
+  "require": {
+    "vlucas/phpdotenv": "^4.1"
+  },
+  "require-dev": {},
+  "autoload": {
+    "psr-4": {
+      "MapGuesser\\": "src"
+    }
+  },
+  "scripts": {
+    "post-root-package-install": [
+      "@php -r \"file_exists('.env') || copy('.env.example', '.env');\""
+    ]
+  }
+}