Add deprecation notice

README.md

 # Fully Convolutional Siamese Networks for Change Detection
 
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+This repo has been deprecated. Please see [CDLab](https://github.com/Bobholamovic/CDLab), which includes more architectures and datasets.
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+
 This is an unofficial implementation of the paper
 
 > Rodrigo Caye Daudt, Bertrand Le Saux, Alexandre Boulch. (2018, October). Fully convolutional siamese networks for change detection. In 2018 25th IEEE International Conference on Image Processing (ICIP) (pp. 4063-4067). IEEE.
@@ -52,4 +56,4 @@ You can check the model weight files in `exp/base/weights/`, the log files in `e
 
 - 2020.3.14 Add configuration files.
 - 2020.4.14 Detail README.md.
-- 2020.12.8 Update framework.
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+- 2020.12.8 Update framework.