Update readme with config instructions, move images around

README.md

@@ -6,7 +6,7 @@ To use, mention the bot with a message that contains at least one Magic card nam
 
 See it in action [here](https://botsin.space/@mtgcardlookup)!
 
-![](example-lotus.png)
+![](readme-assets/example-lotus.png)
 
 ## Features
 
@@ -19,12 +19,13 @@ See it in action [here](https://botsin.space/@mtgcardlookup)!
 - Includes pinned status management (see "Installation and Setup")
     - Unpins all current statuses, then posts a pre-written thread and pins each new status in reverse order
 
-![](example-garruk.png)
+![](readme-assets/example-garruk.png)
 
 ## Installation and Setup
 
 - Clone this repository and create a python environment however you like to
 - Install dependencies with `pip install -r requirements.txt`
+- Obtain a `client_key`, `client_secret` and `access_token` for the API for the instance you'll be running the bot on. Copy `config.sample.py` to `config.py` and include those values. Set the instance as well, if it's not https://botsin.space.
 - Install and enable the included mtgcardlookup.service with systemd, replacing the `ExecStart`, `WorkingDirectory`, and `User` values with those for your system
 - [OPTIONAL] Write an introduction thread to be pinned
     - Create a new file called pinned_thread.txt