chore: add license

Author: k-jingyang

src/bloom/blocked/mod.rs

@@ -1,6 +1,9 @@
-use crate::bloom::bit_array::BitArray;
+// Copyright (c) 2024-present, fjall-rs
+// This source code is licensed under both the Apache 2.0 and MIT License
+// (found in the LICENSE-* files in the repository)
 
 use super::CompositeHash;
+use crate::bloom::bit_array::BitArray;
 
 const CACHE_LINE_BYTES: usize = 64;
 pub struct BlockedBloomFilter {

src/bloom/mod.rs

@@ -1,3 +1,7 @@
+// Copyright (c) 2024-present, fjall-rs
+// This source code is licensed under both the Apache 2.0 and MIT License
+// (found in the LICENSE-* files in the repository)
+
 mod bit_array;
 mod blocked;
 mod standard;