Create test file for markdown math

testmd.md

+```swift
+if packet is standard:
+	if LUT does not already have source address:
+		add entry to LUT
+	if I am destination:
+		process data in packet
+	else:
+		increment hop count
+		if LUT has destination address:
+			send packet to port which minimizes C(hops, buffer) = hops + \lambda*buffer over all ports
+		else:
+			send packet to all ports as standard flood
+elseif packet is ack:
+	if LUT does not already have source address:
+		add entry to LUT
+	if I am destination:
+		process acknowledgement
+	else:
+		increment hop count
+		if LUT has destination address:
+			send packet to port which minimizes C(hops, buffer) = hops + \lambda*buffer over all ports
+		else:
+			send packet to all ports as ack flood
+elseif packet is standard flood:
+	
+elseif packet is ack flood
+
+else:
+```