Documentation: f2fs: Format compression level subtable

Format compression_algorithm subtable as reST table as it does the
semantic job rather than normal paragraph.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Author: bagasme

Documentation/filesystems/f2fs.rst

@@ -294,9 +294,13 @@ compress_algorithm=%s	 Control compress algorithm, currently f2fs supports "lzo"
 			 "lz4", "zstd" and "lzo-rle" algorithm.
 compress_algorithm=%s:%d Control compress algorithm and its compress level, now, only
 			 "lz4" and "zstd" support compress level config.
+
+                         =========      ===========
 			 algorithm	level range
+                         =========      ===========
 			 lz4		3 - 16
 			 zstd		1 - 22
+                         =========      ===========
 compress_log_size=%u	 Support configuring compress cluster size. The size will
 			 be 4KB * (1 << %u). The default and minimum sizes are 16KB.
 compress_extension=%s	 Support adding specified extension, so that f2fs can enable