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

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

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

@@ -41,7 +41,7 @@ class BezierDemoPane extends HTMLElement implements DemoPane {
 
 	id!: string;
 
-	connectedCallback(): void {
+	connectedCallback() {
 		this.key = (this.getAttribute("name") || "") as BezierFeatureKey;
 		this.id = `bezier/${this.key}`;
 		this.name = bezierFeatures[this.key].name;
@@ -62,7 +62,7 @@ class BezierDemoPane extends HTMLElement implements DemoPane {
 		this.render();
 	}
 
-	render(): void {
+	render() {
 		renderDemoPane(this);
 	}