first pass at better readme with images

README.md

@@ -4,3 +4,19 @@ note: this module depends on having an api key for the following services
 [RapidAPI](https://rapidapi.com/marketplace) (used for the yahoo-finance api endpoints, which you must subscribe to in your account settings)
 [CoinAPI](https://www.coinapi.io/Pricing)
 
+## Setup
+plug in API keys for both your RapidAPI yahoo finance app and your CoinAPI account in the config file (either before packaging in the base-config, or directly in the maubot interface after loading).
+
+update the commands you want to use, by default stock data is returned with the `!stonks` command, and crypto data is returned with `!hodl` command. for example:
+
+`!stonks tsla`
+
+would return something like this:
+![stonks response](images/stonks.png)
+
+and
+
+`!hodl btc/ada`
+
+would return something like this:
+![hodl response](images/hodl.png)