Added the option to choose a specific server server / application to SyphonClient

Also updated the preview gif to the right colors and added orx-syphon to the README

orx-syphon/src/test/kotlin/ClientExampleSpecificServer.kt

@@ -0,0 +1,25 @@
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.extra.syphon.SyphonClient
+
+/**
+ * This example uses After Effects and OPENRNDR connected via Syphon
+ */
+fun main() = application {
+    configure {
+        // The maximum resolution supported by the free
+        // version of AESyphon
+        width = 1024
+        height = 768
+    }
+
+    program {
+        val syphonClient = SyphonClient("Adobe After Effects", "Live Preview")
+
+        extend(syphonClient)
+        extend {
+            drawer.background(ColorRGBa.BLACK)
+            drawer.image(syphonClient.buffer)
+        }
+    }
+}