update readme with detailed dev instructions

README.md

@@ -3,6 +3,27 @@
 This is my lamegames repository.
 It has a lot of lame games, lol!
 
+## Run Locally
+
+To run a local instance, you will need to run the following commands after `cd`ing yourself into the lamegames repo; $ represents a command, # is a comment:
+
+```bash
+# create a virtual environment (aka install dependencies locally, instaed of system-wide)
+$ python -m venv env
+# activate virtual environment (use local dependencies instaed of system-wide dependencies)
+$ source env/bin/activate
+# install dependencies
+$ pip install -r requirements.txt
+# run django migrations (setup database)
+$ python manage.py makemigrations
+$ python manage.py migrate
+# start redis (install it first, if you don't have it)
+$ systemctl start redis
+# start django app
+$ python manage.py runserver
+# now access at http://localhost:8000/ woot woot!
+```
+
 ## How to add a game:
 
 See `/skel/README.md`