aerospace: make WarnWetter app floating

.config/aerospace/aerospace.toml

@@ -3,9 +3,9 @@
 after-startup-command = []
 
 exec-on-workspace-change = [
-    '/bin/bash',
-    '-c',
-    '~/.config/aerospace/pip-move.sh',
+  '/bin/bash',
+  '-c',
+  '~/.config/aerospace/pip-move.sh',
 ]
 
 # Start AeroSpace at login
@@ -207,8 +207,8 @@ esc = ['mode main']
 shift-r = ['reload-config', 'mode main']
 r = ['flatten-workspace-tree', 'mode main'] # reset layout
 f = [
-    'layout floating tiling',
-    'mode main',
+  'layout floating tiling',
+  'mode main',
 ] # Toggle between floating and tiling layout
 backspace = ['close-all-windows-but-current', 'mode main']
 
@@ -224,7 +224,15 @@ down = 'volume down'
 up = 'volume up'
 shift-down = ['volume set 0', 'mode main']
 
+
+# Firefox Picture-in-Picture
 [[on-window-detected]]
 if.app-id = 'org.mozilla.firefox'
 if.window-title-regex-substring = 'Picture-in-Picture'
 run = 'layout floating'
+
+# WarnWetter
+[[on-window-detected]]
+if.app-id = 'de.dwd.warnapp'
+if.window-title-regex-substring = 'WarnWetter'
+run = 'layout floating'