Configure Renovate (#32)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Tommaso Bailetti <[email protected]>

renovate.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended"
+  ],
+  "branchPrefix": "renovate-",
+  "branchNameStrict": true,
+  "ignorePaths": [
+    "**/ui/**"
+  ],
+  "regexManagers": [
+    {
+      "fileMatch": [
+        "build-images.sh"
+      ],
+      "matchStrings": [
+        "docker.io\/crowdsecurity\/crowdsec:(?<currentValue>[^\\s]+)\""
+      ],
+      "depNameTemplate": "crowdsecurity/crowdsec",
+      "datasourceTemplate": "docker"
+    }
+  ]
+}