feat: add dictionary encoding(draft, for discussion only)

[broccoliSpicy]

This PR tries to support dictionary encoding by integrating it with MiniBlock PageLayout.

The general approach here is:
In a MiniBlock PageLayout, there is a optional dictionary field that stores a dictionary encoding if this miniblock has a dictionary.

/// A layout used for pages where the data is small
///
/// In this case we can fit many values into a single disk sector and transposing buffers is
/// expensive.  As a result, we do not transpose the buffers but compress the data into small
/// chunks (called mini blocks) which are roughly the size of a disk sector.
message MiniBlockLayout {
  // Description of the compression of repetition levels (e.g. how many bits per rep)
  ArrayEncoding rep_compression = 1;
  // Description of the compression of definition levels (e.g. how many bits per def)
  ArrayEncoding def_compression = 2;
  // Description of the compression of values
  ArrayEncoding value_compression = 3;
  ArrayEncoding dictionary = 4;
}

The rational for this is that if we dictionary encoding something, it's indices will definitely fall into a MiniBlockLayout.
By doing this, we don't need to have a specific DictionaryEncoding, it can be any ArrayEncoding.
The Dictionary and the indices are cascaded into another encoding automatically.

Currently, the dictionary is stored inside the page along with chunk meta data and chunk data, this is not ideal and is a TODO task.

This is a draft for discussion with the above idea so I only supported FixedWidthDataBlock with this encoding, the effort to add support for VariableWidthData is trivial.

some performance comparison with parquet(no snappy):
tpch lineitem table with scale factor 10.

Column Name	Parquet Write Time	Lance Write Time	Parquet Read Time	Lance Read Time	Parquet File Size	Lance File Size	Cardinality
l_quantity	1.37s	1.70s	2.41s	0.19s	43 MiB	44 MiB	50
l_extendedprice	2.93s	3.61s	4.90s	2.55s	318 MiB	917 MiB	1351462
l_discount	1.49s	1.65s	3.15s	0.16s	28 MiB	29 MiB	11
l_tax	1.57s	1.65s	2.03s	0.25s	28 MiB	29 MiB	9

forl_extendedprice, dictionary encoding is not applied due to large cardinality.

#3123