fix appendice figure numbering

src/style.typ

@@ -104,16 +104,21 @@
 #let appendices(it) = {
   counter(heading).update(0)
 
-  context {
-    let app-letter = upper(ukr-enum.at(counter(heading).get().at(0)))
   set heading(numbering: (i, ..n) => upper(ukr-enum.at(i - 1)) + numbering(".1.1", ..n))
+  set heading(supplement: [Додаток])
+
+  let app-letter = context upper(ukr-enum.at(counter(heading).get().at(0) - 1))
   set figure(numbering: i => app-letter + "." + str(i))
   set math.equation(numbering: i => app-letter + "." + str(i))
-    set heading(supplement: [Додаток])
 
   show heading: h => {
     set text(size: 14pt)
     if h.level == 1 {
+      counter(math.equation).update(0)
+      counter(figure.where(kind: raw)).update(0)
+      counter(figure.where(kind: image)).update(0)
+      counter(figure.where(kind: table)).update(0)
+
       set align(center)
       set text(weight: "regular")
       pagebreak(weak: true)
@@ -128,5 +133,4 @@
   }
 
   it
-  }
 }