Readme updated

Author: valeriy42

Machine Learning/Class Assigment Objectives/README.md

@@ -6,26 +6,35 @@ choose which loss function.
 
 Set up a local instance of Jupyter using the following instructions
 
-1. Set up a virtual environment called `env` 
+1. Create file `credentials.json` containing the username and password to access your Elasticsearch instance.
 
-```
-python3 -m venv env
-``` 
+    ```json
+    {
+        "username": "my_username",
+        "password": "my_password"
+    }
+    ```
 
-2. Activate it
+2. Set up a virtual environment called `env`
 
-```
-source env/bin/activate
-```
+    ```bash
+    python3 -m venv env
+    ```
 
-3. Install the required dependencies for your chosen Jupyter notebook
+3. Activate it
 
-```
-pip install -r requirements.txt
-```
+    ```bash
+    source env/bin/activate
+    ```
 
-4. Launch Jupyter
+4. Install the required dependencies for your chosen Jupyter notebook
 
-```
-jupyter notebook
-```
+    ```bash
+    pip install -r requirements.txt
+    ```
+
+5. Launch Jupyter
+
+    ```bash
+    jupyter notebook
+    ```