GH-59 Update renovate.json (#59)

* Add this keywords, .editorconfig and update spigot-api

* Update .gitignore and add run-paper gradle plugin

* Update renovate.json

Author: Jakubk15

renovate.json

@@ -1,6 +1,21 @@
 {
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:base"
-  ]
-}
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "extends": [
+        "config:base"
+    ],
+    "groupName": "all dependencies",
+    "groupSlug": "all",
+    "lockFileMaintenance": {
+        "enabled": false
+    },
+    "packageRules": [
+        {
+            "groupName": "all dependencies",
+            "groupSlug": "all",
+            "matchPackagePatterns": [
+                "*"
+            ]
+        }
+    ],
+    "separateMajorMinor": false
+}