add corpus floder, modified depoly doc

deploy/lite/readme.md

@@ -221,11 +221,11 @@ demo/cxx/ocr/
 1. ppocr_keys_v1.txt是中文字典文件，如果使用的 nb 模型是英文数字或其他语言的模型，需要更换为对应语言的字典。
 PaddleOCR 在ppocr/utils/下存放了多种字典，包括：
 ```
-french_dict.txt     # 法语字典
-german_dict.txt     # 德语字典
+dict/french_dict.txt     # 法语字典
+dict/german_dict.txt     # 德语字典
 ic15_dict.txt       # 英文字典
-japan_dict.txt      # 日语字典
-korean_dict.txt     # 韩语字典
+dict/japan_dict.txt      # 日语字典
+dict/korean_dict.txt     # 韩语字典
 ppocr_keys_v1.txt   # 中文字典
 ```
 

deploy/lite/readme_en.md

@@ -185,11 +185,11 @@ demo/cxx/ocr/
 If the nb model is used for English recognition or other language recognition, dictionary file should be replaced with a dictionary of the corresponding language.
 PaddleOCR provides a variety of dictionaries under ppocr/utils/, including:
 ```
-french_dict.txt     # french
-german_dict.txt     # german
+dict/french_dict.txt     # french
+dict/german_dict.txt     # german
 ic15_dict.txt       # english
-japan_dict.txt      # japan
-korean_dict.txt     # korean
+dict/japan_dict.txt      # japan
+dict/korean_dict.txt     # korean
 ppocr_keys_v1.txt   # chinese
 ```
 

ppocr/utils/corpus/corpus.md

+# Waiting for your contribution
+
+PaddleOCR welcomes you to provide multilingual corpus for us to synthesize more data to optimize the model.
+
+If you are interested, you can submit the corpus text to this directory and name it with {language}_corpus.txt. 
+PaddleOCR thanks for your contribution
\ No newline at end of file

ppocr/utils/corpus/corpus_ch.md

+# 欢迎贡献语料
+
+PaddleOCR非常欢迎您提供多语言的语料，以供我们合成更多数据来优化模型。
+
+如您感兴趣，可将语料文本提交到此目录，并以 {语言}_corpus.txt 命名。PaddleOCR团队感谢你的贡献
+
+
+