Fixup groupings in toml parsing ; update example config

cmd/gui/README.md

@@ -10,18 +10,29 @@ The GUI uses a config similar to the following. To generate a default config, la
 
 ```
 
-# Slideshow intervals
-slideshow.slideinterval = "300s"
-slideshow.restartinterval = "168h"
-
-# These are SYSTEMD.TIME formatted times
-# You probably want to just adjust the actual times here
-# See https://www.freedesktop.org/software/systemd/man/systemd.time.html
-hdmi.off = "*-*-* 00:00:00"
-hdmi.on = "*-*-* 06:00:00"
-
-# Album configuration (DO NOT CHANGE albums.root )
-albums.root = "/tank/pictures"
-albums.selected = ["/", "/KemoNine"]
+config-ui-only = false
+
+[albums]
+  root = "/tank/pictures"
+  selected = ["/", "/KemoNine"]
+
+[fan]
+  minspeed = 10.0
+  pollinginterval = "30s"
+
+  [fan.speeds]
+    100 = 55.0
+    25 = 45.0
+    50 = 50.0
+    75 = 52.0
+
+[hdmi]
+  off = "*-*-* 00:00:00"
+  on = "*-*-* 06:00:00"
+
+[slideshow]
+  restartinterval = "168h"
+  slideinterval = "300s"
+
 
 ```

config/config.go

@@ -24,7 +24,7 @@ func LoadConfig(errFatalOnMissing bool) (*koanf.Koanf, *kfile.File) {
 		CONFIG_KEY_FAN_POLL_INTERVAL:          DEFAULT_FAN_POLL_INTERVAL,
 		CONFIG_KEY_FAN_SPEEDS:                 DEFAULT_FAN_SPEEDS,
 		CONFIG_KEY_FAN_MIN_SPEED:              DEFAULT_FAN_MIN_SPEED,
-	}, ""), nil)
+	}, "."), nil)
 
 	// Bring in /etc/defaults/pf.toml if it exists
 	configFileProvider := kfile.Provider(CONFIG_FILE_PATH)