Restore ESLint and Prettier auto-formatting and CI linting (#1457)

* Restore ESLint and Prettier autoformatting

* Fix formatting and lints in web files

* Hacky fix to eslint crash

* Fix remaining lints

* Add lint-fix script

---------

Co-authored-by: 0hypercube <0hypercube@gmail.com>

website/other/bezier-rs-demos/src/components/SubpathDemoPane.ts

@@ -17,7 +17,7 @@ class SubpathDemoPane extends HTMLElement implements DemoPane {
 
 	id!: string;
 
-	connectedCallback(): void {
+	connectedCallback() {
 		this.demos = [
 			{
 				title: "Open Subpath",
@@ -52,7 +52,7 @@ class SubpathDemoPane extends HTMLElement implements DemoPane {
 		this.render();
 	}
 
-	render(): void {
+	render() {
 		renderDemoPane(this);
 	}