v0.2.1

Fixed

• typhoon-context dependency (#334).
• Expose address_eq to prelude (#335).
• Error NodeNotFound if the fn is not an instruction (#336).
• Anchor IDL generator (#337).
• CPI invoke to accept ExactSizeIterator for remaining accounts (#338).
• Reexport the default allocator (#339).
• Codama program metadata (#342).
• IDL to only include needed types (#343).