add default.json

README.md

@@ -1,3 +1,8 @@
 # renovate-config
 
-To host the renovate config.
+To host the renovate config.
+
+- `default.json` holds the basic config for all repositories. It extends the presets by the renovate project defined in `renovate-schema.json`.
+- Each repository can extend/alter this config by adding a `renovate.json` file to the root of the repository.
+
+

default.json

@@ -0,0 +1,7 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:base"],
+  "semanticCommits": "enabled",
+  "automergeStrategy": "fast-forward",
+  "platformAutomerge": true
+}