Add filenames to README.md

Author: CheezItMan

Diff for: README.md

@@ -61,6 +61,8 @@ def get_tcp_connection_string():
 
 Then we can use this function in the `app/__init__.py`
 
+_app/__init__.py_
+
 ```python
 from flask import Flask
 from flask_sqlalchemy import SQLAlchemy
@@ -114,6 +116,8 @@ To build the container you need a `Dockerfile`.  The Dockerfile will tell Docker
 
 This `Dockerfile` starts from a pre-made image (Python slim buster in this example) and adds any needed files/configurations.
 
+_Dockerfile_
+
 ```Dockerfile
 # Starter image
 FROM python:3.9-slim-buster
@@ -206,6 +210,8 @@ Just like before we can create a script to run the container as well.  We give t
 
 We are adding environment variables to the container to tell our app how to connect to our database.
 
+_scripts/docker_run.sh_
+
 ```bash
 #!/bin/bash