BIG docs refactoring

internal/app/README.md

@@ -1,3 +1,9 @@
+# App
+
+The application module is responsible for reading configuration files and running other modules.
+
+The configuration can be edited through the application's WebUI with code highlighting, syntax and specification checking.
+
 - By default, go2rtc will search for the `go2rtc.yaml` config file in the current working directory
 - go2rtc supports multiple config files:
   - `go2rtc -c config1.yaml -c config2.yaml -c config3.yaml`
@@ -38,6 +44,12 @@ Editors like [GoLand](https://www.jetbrains.com/go/) and [VS Code](https://code.
 # yaml-language-server: $schema=https://raw.githubusercontent.com/AlexxIT/go2rtc/master/www/schema.json
 ```
 
+or from a running go2rtc:
+
+```yaml
+# yaml-language-server: $schema=http://localhost:1984/schema.json
+```
+
 ## Defaults
 
 - Default values may change in updates
@@ -45,26 +57,41 @@ Editors like [GoLand](https://www.jetbrains.com/go/) and [VS Code](https://code.
 
 ```yaml
 api:
-  listen: ":1984"
+  listen: ":1984"  # default public port for WebUI and HTTP API
 
 ffmpeg:
-  bin: "ffmpeg"
+  bin: "ffmpeg"  # default binary path for FFmpeg
 
 log:
-  format: "color"
-  level: "info"
+  level: "info"  # default log level
   output: "stdout"
   time: "UNIXMS"
 
 rtsp:
-  listen: ":8554"
+  listen: ":8554"  # default public port for RTSP server
   default_query: "video&audio"
 
 srtp:
-  listen: ":8443"
+  listen: ":8443"  # default public port for SRTP server (used for HomeKit)
 
 webrtc:
-  listen: ":8555/tcp"
+  listen: ":8555"  # default public port for WebRTC server (TCP and UDP)
   ice_servers:
-    - urls: [ "stun:stun.l.google.com:19302" ]
+    - urls: [ "stun:stun.cloudflare.com:3478", "stun:stun.l.google.com:19302" ]
 ```
+
+## Log
+
+You can set different log levels for different modules.
+
+```yaml
+log:
+  format: ""        # empty (default, autodetect color support), color, json, text 
+  level: "info"     # disabled, trace, debug, info (default), warn, error
+  output: "stdout"  # empty (only to memory), stderr, stdout (default)
+  time: "UNIXMS"    # empty (disable timestamp), UNIXMS (default), UNIXMICRO, UNIXNANO
+  
+  api: trace   # module name: log level
+```
+
+Modules: `api`, `streams`, `rtsp`, `webrtc`, `mp4`, `hls`, `mjpeg`, `hass`, `homekit`, `onvif`, `rtmp`, `webtorrent`, `wyoming`, `echo`, `exec`, `expr`, `ffmpeg`, `wyze`, `xiaomi`.