feat(format): introduce avro direct encoding (#94)

Author: zjw1111

LICENSE

@@ -213,6 +213,21 @@ License: https://www.apache.org/licenses/LICENSE-2.0
 
 --------------------------------------------------------------------------------
 
+This product includes code from Apache Iceberg C++.
+
+* Avro direct decoder/encoder:
+  * src/paimon/format/avro/avro_direct_decoder.cpp
+  * src/paimon/format/avro/avro_direct_decoder.h
+  * src/paimon/format/avro/avro_direct_encoder.cpp
+  * src/paimon/format/avro/avro_direct_encoder.h
+* Avro input stream in src/paimon/format/avro/avro_direct_decoder.cpp
+
+Copyright: 2024-2025 The Apache Software Foundation.
+Home page: https://iceberg.apache.org/
+License: https://www.apache.org/licenses/LICENSE-2.0
+
+--------------------------------------------------------------------------------
+
 This product includes code from RocksDB.
 
 * endian utility in src/paimon/common/utils/math.h

NOTICE

@@ -10,6 +10,9 @@ Copyright 2014-present Alibaba Inc.
 Apache Arrow
 Copyright 2016-2024 The Apache Software Foundation
 
+Apache Iceberg C++
+Copyright 2024-2025 The Apache Software Foundation
+
 Apache ORC
 Copyright 2013 and onwards The Apache Software Foundation