update readme

README.md

@@ -2,7 +2,18 @@
 
 handy, custom-built tools and utilities for my livestreams!
 
-## learning
+## setup
+
+run once, then edit the generated config files to taste:
+- **linux:** `~/.config/ari-stream-tools/config.toml`
+- **macOS:** `~/Library/Application Support/ari-stream-tools/config.toml`
+- **windows:** `%APPDATA%\ari-stream-tools\config.toml`
+
+incompatible or unconfigured services will simply not run: you're welcome to use only the services you need and/or care about.
+
+## endpoints
+
+### learning
 
 endpoints and views for "ari is learning!" streams.
 
@@ -13,7 +24,7 @@ endpoints and views for "ari is learning!" streams.
 - **`GET /learning/brb`**: "be right back!" view
 - **`GET /learning/bye`**: stream ending view
 
-## music
+### music
 
 endpoints for a music status indicator.
 
@@ -25,7 +36,7 @@ endpoints for a music status indicator.
 - **`GET /music/artwork`**: serves the currently playing track artwork
 - **`GET /music`**: music status indicator
 
-## twitch
+### twitch
 
 endpoints for twitch events and labels.