feat(test): add manifest file meta json fixtures (#55)

crates/paimon/tests/fixtures/manifest_file_meta_schema.json

@@ -0,0 +1 @@
+{"type":"ROW","fields":[{"id":0,"name":"_FILE_NAME","type":"STRING NOT NULL"},{"id":1,"name":"_FILE_SIZE","type":"BIGINT NOT NULL"},{"id":2,"name":"_NUM_ADDED_FILES","type":"BIGINT NOT NULL"},{"id":3,"name":"_NUM_DELETED_FILES","type":"BIGINT NOT NULL"},{"id":4,"name":"_PARTITION_STATS","type":{"type":"ROW","fields":[{"id":0,"name":"_MIN_VALUES","type":"BYTES NOT NULL"},{"id":1,"name":"_MAX_VALUES","type":"BYTES NOT NULL"},{"id":2,"name":"_NULL_COUNTS","type":{"type":"ARRAY","element":"BIGINT"}}]}},{"id":5,"name":"_SCHEMA_ID","type":"BIGINT NOT NULL"}]}