svgwrite_diagram: implement draw_circle, draw_line and draw_rect
-rw-r--r-- 32 .gitignore
-rw-r--r-- 455 Makefile
-rw-r--r-- 840 README.md
-rw-r--r-- 384 TODO
drwxr-xr-x - contrib
drwxr-xr-x - src