style: fix code formatting issues / Prettier check

Author: mtwsfr

Web/css/librebooking.css

@@ -47,10 +47,10 @@
 }
 
 [data-bs-theme="cake_blue"] {
-    --primary:#003873;
-    --primary-hover: #002042;
-    --primary-disabled: #909090;
-    --text-color-btn: #ffffff;
+  --primary:#003873;
+  --primary-hover: #002042;
+  --primary-disabled: #909090;
+  --text-color-btn: #ffffff;
 }
 
 [data-bs-theme='orange'] {