add readme (#10)

* Update Readme.md

* Update Readme.md

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* Update Readme.md

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* remove submodule

* add mPLUG MiniGPT4

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---------

Co-authored-by: Yuliang Liu <34134635+Yuliang-Liu@users.noreply.github.com>

models/MiniGPT4/minigpt4/tasks/image_text_pretrain.py

@@ -0,0 +1,18 @@
+"""
+ Copyright (c) 2022, salesforce.com, inc.
+ All rights reserved.
+ SPDX-License-Identifier: BSD-3-Clause
+ For full license text, see the LICENSE_Lavis file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+"""
+
+from minigpt4.common.registry import registry
+from minigpt4.tasks.base_task import BaseTask
+
+
+@registry.register_task("image_text_pretrain")
+class ImageTextPretrainTask(BaseTask):
+    def __init__(self):
+        super().__init__()
+
+    def evaluation(self, model, data_loader, cuda_enabled=True):
+        pass