(feat): rename example-usage to just example

(feat): add the example's web-client dist folder to a gitignore
(fix): format issues
(fix): a lot of duplicate code

example/web-client/vite.config.ts

@@ -0,0 +1,28 @@
+import { defineConfig } from 'vite';
+import fs from 'fs';
+import path from 'path';
+
+const devCertDir = path.resolve(__dirname, '../dev-cert');
+const certPath = process.env.MTP_DEV_CERT ?? path.join(devCertDir, 'cert.pem');
+const keyPath = process.env.MTP_DEV_KEY ?? path.join(devCertDir, 'key.pem');
+
+const hasDevCert = fs.existsSync(certPath) && fs.existsSync(keyPath);
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      'mtp-wasm': path.resolve(__dirname, '../../wasm/pkg'),
+    },
+  },
+  server: {
+    https: hasDevCert
+      ? {
+          cert: fs.readFileSync(certPath),
+          key: fs.readFileSync(keyPath),
+        }
+      : undefined,
+    fs: {
+      allow: ['.', path.resolve(__dirname, '../../wasm/pkg')],
+    },
+  },
+});