Update README.md

Author: ShanL03

README.md

@@ -1,2 +1,20 @@
 # MFFA
 Official implementation of RA-L 2021 paper Multi-frame Feature Aggregation for Real-time Instrument Segmentation in Endoscopic Video.
+
+## Create the conda environmemt.
+* Creat the conda environment with required packages using the following command:
+```
+conda env create -f resources/env.yml
+```
+## Prepare the data.
+* You could download the dataset from here.
+* Update the datase directory in main.sh.
+## Run the code
+* Train using the following command:
+```
+./train.sh
+```
+** Test using the following command:
+```
+./test.sh
+```