add gradient support, add stroke attr presets, update adapter use case, bugfix ns prefixes in renderer ns, update/add examples
update media links of example outputs
add support for line & line-strip decorators, add arrow-head, update type adapters
refactor line & line-strip decorators, add segment decorator option (for line-strip), allow arrow-head to specify own attribs
add PTranspose impl for Matrix32
add :transform attrib matrix converter, add support for instancing, add hsb versions for gradients, add line-label decorator & comp-decorators, update adapter metadata handling & rename keys
add examples for decorators & instancing, update result filenames
update media links