add example config for VILLASnode integration

fpga/etc/example-villas-node.conf

@@ -0,0 +1,44 @@
+fpgas = {
+    vc707 = {
+        type = "pcie" // "platform" für ZCU107
+
+        port = "0:88.0.0"
+        ips = "path/to/device_tree.json"
+
+	crossbar = {
+		// Additional FPGA IP-core related configuration here
+		// Such as crossbar settings
+	}
+    }
+}
+
+nodes = {
+    aurora_ch0 = {
+        type = "villas-fpga"
+
+        fpga = "vc707"
+        dma = "axi_dma_0" // should not be required if there is only a single DMA
+        target = "aurora_axis_ch0"
+    }
+
+    aurora_ch1 = {
+        type = "villas-fpga"
+   
+        fpga = "vc707"
+        dma = "axi_dma_1"
+        target = "aurora_axis_ch1"
+    }  
+
+    record = {
+        type = "file"
+
+        uri = "dump.csv"
+    }
+}
+
+paths = (
+    {
+        in = "aurora_ch0"
+        out = "record"
+    },
+)