feat: implement most of the family page

src/app.rs

@@ -140,6 +140,10 @@ fn StudentRoutes() -> impl MatchNestedRoutes + Clone {
                 path=path!("additional/university")
                 view=student::StudentUniversityPage
             />
+            <Route
+                path=path!("additional/family-info")
+                view=student::StudentFamilyPage
+            />
         </ParentRoute>
     }
         .into_inner()