core: improve package doc comments for the documentation generator

core/hash/xxhash/streaming.odin

@@ -7,6 +7,7 @@
 	List of contributors:
 		Jeroen van Rijn: Initial implementation.
 */
+
 package xxhash
 
 import "core:mem"
@@ -371,4 +372,4 @@ XXH3_generate_secret :: proc(secret_buffer: []u8, custom_seed: []u8) {
 			mem_copy(&secret_buffer[segment_start], &segment, size_of(segment))
 		}
 	}
-}
+}