Add custom Tag component

Author: tuan-nguen

extensions/ql-vscode/src/view/common/Tag.tsx

@@ -0,0 +1,14 @@
+import { styled } from "styled-components";
+
+export const Tag = styled.div`
+  background-color: var(--vscode-badge-background);
+  border: 1px solid var(--vscode-button-border, transparent);
+  border-radius: 2px;
+  color: var(--vscode-badge-foreground);
+  padding: 2px 4px;
+  text-transform: uppercase;
+  box-sizing: border-box;
+  font-family: var(--vscode-font-family);
+  font-size: 11px;
+  line-height: 16px;
+`;