ash/entry: Allow building entry from handle+fns

Adds a constructor to build an entry from a handle + functions.
Helps with interoperability with other vulkan wrappers

ash/src/entry.rs

@@ -154,6 +154,23 @@ impl Entry {
         let entry_fn_1_2 = vk::EntryFnV1_2::load(load_fn);
         let entry_fn_1_3 = vk::EntryFnV1_3::load(load_fn);
 
+        Self::from_parts_1_3(
+            static_fn,
+            entry_fn_1_0,
+            entry_fn_1_1,
+            entry_fn_1_2,
+            entry_fn_1_3,
+        )
+    }
+
+    #[inline]
+    pub unsafe fn from_parts_1_3(
+        static_fn: vk::StaticFn,
+        entry_fn_1_0: vk::EntryFnV1_0,
+        entry_fn_1_1: vk::EntryFnV1_1,
+        entry_fn_1_2: vk::EntryFnV1_2,
+        entry_fn_1_3: vk::EntryFnV1_3,
+    ) -> Self {
         Self {
             static_fn,
             entry_fn_1_0,