Adds a Makefile.
Adds a Makefile.

For now, just one directive: "make serve" that runs the site on port 8000.

yeatmanlab/AFQ-Browser,arokem/AFQ-Browser,richford/AFQ-Browser,yeatmanlab/AFQ-Browser,arokem/AFQ-Browser,richford/AFQ-Browser,richford/AFQ-Browser,richford/AFQ-viz,yeatmanlab/AFQ-viz,yeatmanlab/AFQ-Browser,arokem/AFQ-Browser,richford/AFQ-viz,yeatmanlab/AFQ-viz