Add a recipe for contao/core-bundle and contao/installation-bundle

contao/core-bundle/4.6/manifest.json

@@ -0,0 +1,18 @@
+{
+    "bundles": {
+        "Contao\\CoreBundle\\ContaoCoreBundle": ["all"]
+    },
+    "composer-scripts": {
+        "contao:install %PUBLIC_DIR%": "symfony-cmd",
+        "contao:symlinks %PUBLIC_DIR%": "symfony-cmd"
+    },
+    "gitignore": [
+        "/assets/",
+        "/files/",
+        "/system/*",
+        "!/system/config/",
+        "/system/config/localconfig.php",
+        "/system/config/tcpdf.php",
+        "/system/modules/*/.skip"
+    ]
+}

contao/core-bundle/4.6/post-install.txt

@@ -0,0 +1,16 @@
+<bg=blue;fg=white>                            </>
+<bg=blue;fg=white> Next: Contao configuration </>
+<bg=blue;fg=white>                            </>
+
+  * Enable ESI in the <fg=green>config/packages/framework.yaml</> file.
+
+  * Add the Contao routes to your <fg=green>config/routing.yaml</> file and
+    make sure that they will be loaded at the very end.
+
+  * Edit your <fg=green>config/security.yaml</> file and include all the
+    necessary providers, firewalls and access control sections.
+
+  * Complete the installation by opening the <fg=green>/contao/install</> route
+    in your browser.
+
+Documentation: https://github.com/contao/core-bundle

contao/installation-bundle/4.6/config/routes/contao_installation.yaml

@@ -0,0 +1,2 @@
+contao_installation:
+    resource: "@ContaoInstallationBundle/Resources/config/routing.yml"

contao/installation-bundle/4.6/manifest.json

@@ -0,0 +1,5 @@
+{
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    }
+}