Move theme to themes/standaard.yaml

configuration.yaml loads themes from the themes/ directory, so the
theme in the root themes.yaml was never picked up.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitignore

@@ -6,7 +6,7 @@
 !/automations.yaml
 !/scripts.yaml
 !/scenes.yaml
-!/themes.yaml
+!/themes/
 !/known_devices.yaml
 !/compose.yaml
 !/packages/

themes.yaml

@@ -1,6 +0,0 @@
-themes:
-  standaard:
-    primary-color: white
-    accent-color: orange 
-    text-primary-color: black
-    

themes/standaard.yaml

@@ -0,0 +1,4 @@
+standaard:
+  primary-color: white
+  accent-color: orange
+  text-primary-color: black