Adding upstream version 3.1.0+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/yanglint/modules/modrpc.yang

@@ -0,0 +1,19 @@
+module modrpc {
+  namespace "urn:yanglint:modrpc";
+  prefix mr;
+
+  rpc rpc {
+    input {
+      leaf lfi {
+        type string;
+      }
+    }
+    output {
+      container con {
+        leaf lfo {
+          type int16;
+        }
+      }
+    }
+  }
+}