Add hook for the Token configuration of the image source

module/hooks/renderTokenApplication.mjs

@@ -0,0 +1,25 @@
+import { ArtBrowser } from "../apps/ArtBrowser.mjs";
+
+/*
+This hook handles adding the button for selecting an image using this module
+into the prototype token config and the token-specific config. Handling both
+apps with a single hook.
+*/
+Hooks.on(`renderTokenApplication`, (app, form) => {
+	// Locate where we want to inject the button
+	/** @type {HTMLElement | undefined} */
+	const picker = form.querySelector(`file-picker[name="texture.src"]`);
+	if (!picker) { return };
+
+	// Create the button and listener
+	const button = document.createElement(`button`);
+	button.type = `button`;
+	button.classList = `icon fa-solid fa-paintbrush`;
+	button.addEventListener(`click`, async () => {
+		const src = await ArtBrowser.select(1);
+		picker.value = src;
+	});
+
+	// Inject the element into the DOM
+	picker.insertAdjacentElement(`afterend`, button);
+});