Add the sidebar for the module

module/apps/ArtSidebar.mjs

@@ -0,0 +1,58 @@
+import { api } from "../api.mjs";
+import { __ID__, filePath } from "../consts.mjs";
+
+const { HandlebarsApplicationMixin } = foundry.applications.api;
+const { AbstractSidebarTab } = foundry.applications.sidebar;
+
+export class ArtSidebar extends HandlebarsApplicationMixin(AbstractSidebarTab) {
+	// #region Options
+	static tabName = `art`;
+
+	static DEFAULT_OPTIONS = {
+		classes: [
+			__ID__,
+			`ArtSidebar`,
+		],
+		window: {},
+		actions: {
+			openApp: this.#openApp,
+		},
+	};
+
+	static PARTS = {
+		tokens: {
+			template: filePath(`templates/ArtSidebar/tokens.hbs`),
+		},
+		artists: {
+			template: filePath(`templates/ArtSidebar/artists.hbs`),
+		},
+	};
+	// #endregion Options
+
+	// #region Data Prep
+	_preparePartContext(partID, ctx) {
+		switch (partID) {
+		};
+
+		return ctx;
+	};
+
+	_prepareTokensContext(ctx) {};
+
+	_prepareArtistsContext(ctx) {};
+	// #endregion Data Prep
+
+	// #region Actions
+	static async #openApp(event, target) {
+		const { app: appKey, ...options } = target.dataset;
+		delete options.action;
+
+		if (appKey in api.Apps) {
+			const app = new api.Apps[appKey](options);
+			await app.render({ force: true });
+		} else {
+			console.error(`Failed to find app with key: ${appKey}`);
+		};
+	};
+	// #endregion Actions
+};