Add requirements

README.md

-# MSc_project_DeepHelp
+# DeepHelp: Understanding users of acrisis text messaging service using Machine Learning
+
+## Requirements
+* Python 3.7.9
+* pytorch 1.9
+* pandas  1.3
+* transformers 4.8.2
+* numpy 1.21.0
+* matplotlib 3.4.2
+* tqdm 4.61.2
+* scikit-learn 0.24.2
+* umap 0.5.1
+
+