Ruby

[YARP] Compile basic types (#8311)

• Add a compile_context arg to yp_compile_node

The compile_context will allow us to pass around the parser, and
the constants and lookup table (to be used in future commits).

• Compile yp_program_node_t and yp_statements_node_t

Add the compilation for program and statements node so that we can
successfully compile an empty program with YARP.

• Helper functions for parsing numbers, strings, and symbols

• Compile basic numeric / boolean node types in YARP

• Compile StringNode and SymbolNodes in YARP

• Compile several basic node types in YARP

• Added error return for missing node