Add the fet12 PCBs

These are the files as I sent them off to be made.

Change-Id: Icd3534fbd8c512670484bcfb6fa81b8cd9c45cf1
diff --git a/motors/packages/fet12_phase_pad.fp b/motors/packages/fet12_phase_pad.fp
new file mode 100644
index 0000000..6e86986
--- /dev/null
+++ b/motors/packages/fet12_phase_pad.fp
@@ -0,0 +1,4 @@
+Element[0x0 "" "" "" 0 0 0 0 0 100 0x0]
+(
+	Pad[0 165mil 0 -165mil 360mil 2000 376mil "1" "1" "square,nopaste"]
+)