Update README.md

Author: aidlearning

README.md

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 [AidLearning](http://www.aidlearning.net) is a mobile AI development platform that supports all mainstream development frameworks and tools for deep learning and neural networks.
 
 It has a unique cpu+gpu acceleration technology, that brings a significant boost on performance of deep-learning algorithm by the built-in tflite_gpu module. At the same time, AidLearning also provides developers with popular development tools, such as VSCode and Jupiter Notebook.
-<img src="http://www.aidlearning.net/showdoc/server/index.php?s=/api/attachment/visitFile/sign/4a72d62cec051582170e99b3584da67c&showdoc=.jpg#align=left&display=inline&height=480&margin=%5Bobject%20Object%5D&name=image.png&originHeight=960&originWidth=470&size=281243&status=done&style=none&width=235" height="500" />
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+<img src="http://www.aidlearning.net/showdoc/server/index.php?s=/api/attachment/visitFile/sign/4a72d62cec051582170e99b3584da67c&showdoc=.jpg" height="500" />
 
 ## Usage
 The lastest version of release is in the link below (About 20MB):