[C++] Implement serial version of join

[asfimport]

Implement the serial version of join operator.

Reporter: Areg Melik-Adamyan / @aregm
Assignee: Areg Melik-Adamyan / @aregm

Related issues:

• To join two arrow tables (is duplicated by)
• [C++][Compute] Implement many-to-many inner hash join (is superceded by)

_{Note: This issue was originally created as ARROW-4630. Please see the migration documentation for further details.}