Start of the starter pack so I can get the installs up and write a blog post about it.

scripts/watch_build.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -e
+
+fswatch -o *.cpp | while read num
+do echo ">>>>>>>>>>>>>>>>>>>>>> `date`"
+  if meson compile -C builddir
+  then
+    ./builddir/sfmldemo
+  else
+    echo "^^^^^^^^^^^^^^^^^^^^^ ERROR `date`"
+  fi
+done