Initial commit: ZPL-native PDF printing, drop CUPS dependency

config.json

@@ -0,0 +1,32 @@
+{
+  "printers":[
+    {
+      "uri": "file:///dev/usb/lp0",
+      "model": "E4204B",
+      "dimensions": "100x150",
+      "name": "Datamax-ONeil_E4204B_Mark_III",
+      "driver": "zpl"
+    },
+    {
+      "uri": "file:///dev/usb/lp1",
+      "model": "QL-700",
+      "dimensions": "62",
+      "name": "Brother QL-700",
+      "driver": "brother_ql"
+    },
+    {
+      "uri": "file:///dev/usb/lp2",
+      "model": "QL-1100",
+      "dimensions": "102",
+      "name": "Brother QL-1100",
+      "driver": "brother_ql"
+    },
+    {
+      "uri": "file:///dev/usb/lp3",
+      "model": "QL-560",
+      "dimensions": "12+19",
+      "name": "Brother QL-560",
+      "driver": "brother_ql"
+    }
+  ]
+}