Fix tutorial links in README.md

Updated tutorial links in the README file to point to the correct index page. Issue #210

Author: ChristopherKotthoff

README.md

@@ -11,9 +11,9 @@
 
 
 Python package for automatic tree crown delineation in aerial RGB and multispectral imagery based on Mask R-CNN. Pre-trained models can be picked in the [`model_garden`](https://github.com/PatBall1/detectree2/tree/master/model_garden).
-A tutorial on how to prepare data, train models and make predictions is available [here](https://patball1.github.io/detectree2/tutorial.html). For questions, collaboration proposals and requests for data email [James Ball](mailto:ball.jgc@gmail.com). Some example data is available to download [here](https://doi.org/10.5281/zenodo.8136161).
+A tutorial on how to prepare data, train models and make predictions is available [here](https://patball1.github.io/detectree2/tutorials/index.html). For questions, collaboration proposals and requests for data email [James Ball](mailto:ball.jgc@gmail.com). Some example data is available to download [here](https://doi.org/10.5281/zenodo.8136161).
 
-Detectree2是一个基于Mask R-CNN的自动树冠检测与分割的Python包。您可以在[`model_garden`](https://github.com/PatBall1/detectree2/tree/master/model_garden)中选择预训练模型。[这里](https://patball1.github.io/detectree2/tutorial.html)提供了如何准备数据、训练模型和进行预测的教程。如果有任何问题，合作提案或者需要样例数据，可以邮件联系[James Ball](mailto:ball.jgc@gmail.com)。一些示例数据可以在[这里](https://doi.org/10.5281/zenodo.8136161)下载。
+Detectree2是一个基于Mask R-CNN的自动树冠检测与分割的Python包。您可以在[`model_garden`](https://github.com/PatBall1/detectree2/tree/master/model_garden)中选择预训练模型。[这里](https://patball1.github.io/detectree2/tutorials/index.html)提供了如何准备数据、训练模型和进行预测的教程。如果有任何问题，合作提案或者需要样例数据，可以邮件联系[James Ball](mailto:ball.jgc@gmail.com)。一些示例数据可以在[这里](https://doi.org/10.5281/zenodo.8136161)下载。
 
 | <a href="https://www.conservation.cam.ac.uk/"><img src="./report/cam_logo.png" width="140"></a> | <sup> Code developed by James Ball, Seb Hickman, Christopher Kotthoff, Thomas Koay, Oscar Jiang, Luran Wang, Panagiotis Ioannou, James Hinton and Matthew Archer in the [Forest Ecology and Conservation Group](https://coomeslab.org/) at the University of Cambridge. The Forest Ecology and Conservation Group is led by Professor David Coomes and is part of the University of Cambridge [Conservation Research Institute](https://www.conservation.cam.ac.uk/). </sup>|
 | :---: | :--- |
@@ -68,7 +68,7 @@ Detectree2, based on the [Detectron2](https://github.com/facebookresearch/detect
 trees in aerial images. It has been designed to delineate trees in challenging dense tropical forests for a range of
 ecological applications.
 
-This [tutorial](https://patball1.github.io/detectree2/tutorial.html) takes you through the key steps.
+This [tutorial](https://patball1.github.io/detectree2/tutorials/index.html) takes you through the key steps.
 [Example Colab notebooks](https://github.com/PatBall1/detectree2/tree/master/notebooks/colab) are also available but are
 not updated frequently so functions and parameters may need to be adjusted to get things working properly.