feat: Linear front end (#9491)

Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: iamsivin <iamsivin@gmail.com>

app/javascript/dashboard/components/widgets/conversation/linear/IssueHeader.vue

@@ -0,0 +1,56 @@
+<template>
+  <div class="flex flex-row justify-between">
+    <div
+      class="flex items-center justify-center gap-1 h-[24px] px-2 py-1 border rounded-lg border-ash-200"
+    >
+      <fluent-icon
+        icon="linear"
+        size="19"
+        class="text-[#5E6AD2]"
+        view-box="0 0 19 19"
+      />
+      <span class="text-xs font-medium text-ash-900">{{ identifier }}</span>
+    </div>
+    <div class="flex items-center gap-0.5">
+      <woot-button
+        variant="clear"
+        color-scheme="secondary"
+        class="h-[24px]"
+        @click="unlinkIssue"
+      >
+        <fluent-icon icon="unlink" size="12" type="outline" icon-lib="lucide" />
+      </woot-button>
+      <woot-button
+        variant="clear"
+        class="h-[24px]"
+        color-scheme="secondary"
+        @click="openIssue"
+      >
+        <fluent-icon icon="arrow-up-right" size="14" />
+      </woot-button>
+    </div>
+  </div>
+</template>
+
+<script setup>
+const props = defineProps({
+  identifier: {
+    type: String,
+    required: true,
+  },
+  issueUrl: {
+    type: String,
+    required: true,
+  },
+});
+
+const emit = defineEmits(['unlink-issue']);
+
+const unlinkIssue = () => {
+  emit('unlink-issue');
+};
+
+const openIssue = () => {
+  window.open(props.issueUrl, '_blank');
+};
+</script>