Add static, runtime and debug assert utilities

codegen/array/snippets/append_capped

@@ -1,4 +1,5 @@
-  assert(array != NULL && array->count < array->capacity);
+  wapp_debug_assert(array != NULL, "`array` should not be NULL");
+  wapp_runtime_assert(array->count < array->capacity, "`array` is full");
 
   u64 index = (array->count)++;
   wapp_{Tlower}_array_set(array, index, item);