Added configuration example for the api-client node type

Signed-off-by: pipeacosta <pipeacosta@gmail.com>

etc/examples/nodes/api_client.conf

@@ -0,0 +1,104 @@
+nodes = {
+	api_client_node = {
+		type = "api-client",
+
+		# The HTTP REST API endpoint of the uAPI server
+		endpoint = "http://localhost:8080/api/universal/node_ri1_api",
+
+		rate = 0.5					# Rate at which we poll the broker for updates
+		timeout = 1,				# Timeout of HTTP request in seconds (default is 1, must be smaller than 1 / rate)
+		verify_ssl = false,			# Verification of SSL server certificates (default is true)
+
+		in = {
+			signals = (
+				{
+				name = "sig1_in",
+				type = "float",
+				unit = "V",
+				description = "Signal 1",
+				rate = 100,
+				readable = true,
+				writable = false,
+				payload = "samples"
+				},
+				{
+				name = "sig2_in",
+				type = "float",
+				unit = "A",
+				description = "Signal 1",
+				rate = 100,
+				readable = true,
+				writable = false,
+				payload = "samples"
+				},
+				{
+				name = "sig3_in",
+				type = "float",
+				unit = "A",
+				description = "Signal 1",
+				rate = 100,
+				readable = true,
+				writable = false,
+				payload = "samples"
+				}
+			)
+		}
+
+		out = {
+			signals = (
+				{
+					name = "ri1-rtds-f",
+					type = "float",
+					unit = "Hz",
+					description = "Frequency",
+					rate = 1,
+					readable = true,
+					writable = false,
+					payload = "samples"
+				},
+				{
+					name = "ri1-rtds-u",
+					type = "float",
+					unit = "kV",
+					description = "Voltage",
+					rate = 1,
+					readable = true,
+					writable = false,
+					payload = "samples"
+				}
+			)
+		}
+	}
+
+	# signal = {
+        #     type = "signal"
+            
+        #     signal = "mixed"
+        #     values = 2  # values per sample
+        #     rate = 1.0
+        # },
+
+	loopback_node = {
+		type = "loopback",
+		queuelen = 1024
+	}
+}
+
+paths = (
+#     {
+#         in = "signal" 
+#         out = "api_client_node"
+		
+# 	hooks = (
+#             { type = "print" }
+#         )
+#     },
+    {
+        in = "api_client_node" 
+        out = "loopback_node"
+		
+	hooks = (
+            { type = "print" }
+        )
+    }
+)