changed all files to composition API

pages/issues.vue

@@ -35,32 +35,24 @@
     
     
 <script setup>
-definePageMeta({
-    layout: 'default'
-})
-</script>
-  
-<script>
+import { ref } from 'vue';
+
 import IssueTable from "../components/server/IssueTable.vue";
 import Issue from "../components/server/Issue.vue";
 import IssueVariants from "../components/server/IssueVariants.vue";
 import IssueVariant from "../components/server/IssueVariant.vue";
 
+definePageMeta({
+    layout: 'default'
+})
+
+const darkMode = ref(true)
+</script>
+  
+<script>
 export default {
     name: "IssuePage",
-    components: {
-        IssueTable,
-        Issue,
-        IssueVariants,
-        IssueVariant,
-    },
-    data() {
-        return {
-            darkMode: true,
-        };
-    },
 }
-
 </script>