implement wlr_output_management_unstable_v1

wire/zwlr_output_configuration_v1.txt

@@ -0,0 +1,36 @@
+# requests
+
+request enable_head {
+    id: id(zwlr_output_configuration_head_v1),
+    head: id(zwlr_output_head_v1),
+}
+
+request disable_head {
+    head: id(zwlr_output_head_v1),
+}
+
+request apply {
+
+}
+
+request test {
+    
+}
+
+request destroy {
+    
+}
+
+# events 
+
+event succeeded {
+
+}
+
+event failed {
+    
+}
+
+event cancelled {
+    
+}