Added czech translations. UI tweak on booking form.

src/pages/hours_edit.rs

@@ -3,6 +3,7 @@ use crate::backend::data::WeekHours;
 use crate::backend::opening_hours::UpdateHours;
 use crate::components::data_form::DataForm;
 use crate::components::modal_box::DialogOpener;
+use crate::locales::trl;
 
 #[component]
 pub fn EditHours(opener: DialogOpener, hours: ReadSignal<WeekHours>) -> impl IntoView {
@@ -13,7 +14,7 @@ pub fn EditHours(opener: DialogOpener, hours: ReadSignal<WeekHours>) -> impl Int
             <input type="hidden" value={move || hours.get().day().to_string()} name="hours[day]"/>
             <div class="row">
                 <div class="col mb-3">
-                    <label  for="hours" class="form-label">"Hours"</label>
+                    <label  for="hours" class="form-label">{trl("Hours")}</label>
                     <input
                         type="text"
                         id="hours"