Chore: Add Developer Documentation

Add Instructions for getting started from scratch
Add command to create/run a database for dev/testing
Specify Python version for pyenv
Update requirements for nev versions of packages

.python-version

@@ -0,0 +1 @@
+3.9.0

README.md

@@ -5,14 +5,30 @@ The AHosking.com API
 ## Getting Started
 
 ###
+
 1. `sudo apt install libpq-dev python-dev python3-psycopg2`
 1. `pip install virtualenv`
 1. `python3 -m virtualenv .env`
 1. Activate environment
-`.\.env\Scripts\activate`
-1. 
+   `.\.env\Scripts\activate`
+1. `export DEBUG=false`
+1. `docker run --name api-postgres -e POSTGRES_PASSWORD=mysecretpassword -e POSTGRES_USER=api -e POSTGRES_DB=api -p 5432:5432 -d postgres`
+1. ```
+   export DATABASE_HOST=localhost
+   export DATABASE_PORT=5432
+   export DATABASE_USER=api
+   export DATABASE_PASSWORD=mysecretpassword
+   export DATABASE_NAME=api
+   ```
+1. `python3 manage.py makemigrations`
+1. `python3 manage.py migrate`
+1. `python3 manage.py createsuperuser`
+1. `python manage.py runserver 0.0.0.0:9000`
 
+## Troubleshooting
+
+`pip3 install --upgrade --force-reinstall -r requirements.txt` will re-install requirements and upgrade based on requirements.txt
 
 ### Third-party
 
-* https://pypi.org/project/django-3-jet/
+- https://pypi.org/project/django-4-jet/