Add pipeline tag and library name

This PR adds the `pipeline_tag` and `library_name` to the model card, making it easier for others to discover and use this model. It also adds a link to the code.

README.md

@@ -1,9 +1,11 @@
 ---
-license: mit
-language:
-- en
 base_model:
 - MAGAer13/mplug-owl2-llama2-7b
+language:
+- en
+license: mit
+pipeline_tag: image-to-text
+library_name: transformers
 ---
 
 # DeQA-Score-Mix3