Initial commit: webtrees Family Navigator Graph sidebar module

SVG-based sidebar widget displaying immediate family relationships
(parents, siblings, spouses, children) with compact card layout,
multi-spouse routing, wrapped rows, and ancestor/descendant indicators.

rollup.config.js

@@ -0,0 +1,14 @@
+import resolve from "@rollup/plugin-node-resolve";
+import commonjs from "@rollup/plugin-commonjs";
+import terser from "@rollup/plugin-terser";
+
+export default {
+    input: "resources/js/modules/index.js",
+    output: {
+        file: "resources/js/family-nav-graph.min.js",
+        format: "iife",
+        name: "FamilyNavGraph",
+        sourcemap: false,
+    },
+    plugins: [resolve(), commonjs(), terser()],
+};