Merge pull request #6 from jscad/additional-samples

docs(sample-files): added X3D sampels, sourced from Web3D Consortium

docs(sample-files): added STL ascii and binary samples

docs(sample-files): added different color variations to AMF

Merge pull request #5 from jscad/amf-resources

new(amf) added missing file for tests

Merge pull request #4 from jscad/dxf-parser-resouces

fix(samples) added absolute bezier quad example to test_path_quad.svg

fix(sample files) renamed 3D.stl to colors.stl

new(samples) added 3D.stl for color tests

added sample files from dxf parser

adding dxf files with 3D entities

Another DXF example from ezdxf

Removed blank line at end of file

chore(gcode & obj): added basic files for each