[plugin] Custom model_runner/model support (#3186)

* support custom model&&model_runner

* fix merge

* add test && update doc

* fix codestyle

* fix unittest

* load model in rl

test/plugins/setup.py

@@ -1,15 +1,27 @@
+# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 from setuptools import setup
 
 setup(
     name="fastdeploy-plugins",
     version="0.1",
-    packages=["fd_add_dummy_model"],
+    packages=["fd_add_dummy_model", "fd_add_dummy_model_runner"],
     entry_points={
         "fastdeploy.model_register_plugins": [
             "fd_add_dummy_model = fd_add_dummy_model:register",
         ],
-        # 'fastdeploy.model_runner_plugins': [
-        #     "model_runner = model_runner:get_runner"
-        # ]
+        "fastdeploy.model_runner_plugins": ["fd_add_dummy_model_runner = fd_add_dummy_model_runner:get_runner"],
     },
 )