Build testdata frontend standalone (#75833)

packages/grafana-plugin-configs/types/custom.d.ts

@@ -0,0 +1,37 @@
+// Image declarations
+declare module '*.gif' {
+  const src: string;
+  export default src;
+}
+
+declare module '*.jpg' {
+  const src: string;
+  export default src;
+}
+
+declare module '*.jpeg' {
+  const src: string;
+  export default src;
+}
+
+declare module '*.png' {
+  const src: string;
+  export default src;
+}
+
+declare module '*.webp' {
+  const src: string;
+  export default src;
+}
+
+declare module '*.svg' {
+  const content: string;
+  export default content;
+}
+
+// Font declarations
+declare module '*.woff';
+declare module '*.woff2';
+declare module '*.eot';
+declare module '*.ttf';
+declare module '*.otf';