add opts

add opts to example in readme and __main__

README.md

@@ -70,7 +70,7 @@ class ManyThings:
 
 
 def main():
-    with vban_cmd.api(kind_id) as vban:
+    with vban_cmd.api(kind_id, **opts) as vban:
         do = ManyThings(vban)
         do.things()
         do.other_things()
@@ -86,7 +86,11 @@ def main():
 
 if __name__ == "__main__":
     kind_id = "banana"
-    ip = "<ip address>"
+    opts = {
+        "ip": "<ip address>",
+        "streamname": "Command1",
+        "port": 6980,
+    }
 
     main()
 ```