0.4.0

• Add Normalized / Fixed modes for raycast offset
  • Previously, there was only Normalized mode, and offset was performed as a percentage of the total line length.
  • Now there is also a Fixed mode to set the offset size independently of the line length.
  • Previously, both offsets were applied from the start; now the start offset is from the beginning, and the end offset is from the end for both modes.
• Simplified the miter length algorithm, reducing polygon overlaps in complex areas.