chore: add repository settings to ix-docs package

Author: danielleroux

packages/documentation/package.json

@@ -1,6 +1,11 @@
 {
   "name": "@siemens/ix-docs",
   "version": "4.3.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/siemens/ix",
+    "directory": "packages/documentation"
+  },
   "scripts": {
     "build": "tsx --tsconfig ./tsconfig.json ./scripts/build.ts"
   },