Lib: Move form stuff into form/ directory

src/lib/components/form/LazyDropdown.ts

@@ -0,0 +1,16 @@
+export interface LazyDropdownOption {
+  /** The label displayed in the list of options. */
+  label: string;
+
+  /** The value assigned to the dropdown value variable */
+  value: string;
+
+  /** An optional icon displayed left to the label */
+  icon_url?: string;
+
+  /** The aspect ratio width of the optional icon */
+  icon_width?: number;
+
+  /** The aspect ratio height of the optional icon */
+  icon_height?: number;
+}