DFFML display model config as yaml-ish for `dffml model list`

cmds.patch

diff --git a/dffml/util/cli/cmds.py b/dffml/util/cli/cmds.py
index 26227b49..0ccb2c25 100644
--- a/dffml/util/cli/cmds.py
+++ b/dffml/util/cli/cmds.py
@@ -1,3 +1,4 @@
+import json
 import inspect
 from typing import List

@@ -9,6 +10,7 @@ from ...base import config, field

 from .cmd import CMD
 from ...util.config.fields import FIELD_SOURCES
+from ...util.data import export_dict, traverse_get


 class ListEntrypoint(CMD):
@@ -25,6 +27,34 @@ class ListEntrypoint(CMD):
             print(cls.__doc__.rstrip())
         else:
             print("%s" % (cls.__qualname__))
+        print(
+            "\n".join(
+                filter(
+                    lambda x: x.strip(),
+                    json.dumps(
+                        export_dict(
+                            **traverse_get(
+                                cls.args({}),
+                                *cls.ENTRY_POINT_NAME,
+                                "config",
+                                cls.ENTRY_POINT_ORIG_LABEL,
+                                "config",
+                            )
+                        ),
+                        sort_keys=True,
+                        indent=2,
+                    )
+                    .replace("{", "")
+                    .replace("}", "")
+                    .replace("]", "")
+                    .replace("[", "")
+                    .replace('"', "")
+                    .replace(",", "")
+                    .replace("plugin: null", "")
+                    .split("\n"),
+                )
+            )
+        )
         print()

     async def run(self):