feat: Initial clean release of CHM

packages/app-mobile/utils/polyfills/bufferPolyfill.ts

@@ -0,0 +1,15 @@
+
+import { Buffer } from 'buffer';
+
+// Fix the subarray method.
+// TODO: Remove this after https://github.com/feross/buffer/issues/329 is closed
+const originalSubarray = Buffer.prototype.subarray;
+Buffer.prototype.subarray = function(start: number, end: number) {
+	const subarray = originalSubarray.call(this, start, end);
+	Object.setPrototypeOf(subarray, Buffer.prototype);
+	return subarray;
+};
+
+// TODO: Remove this "disable-next-line" after eslint supports globalThis.
+// eslint-disable-next-line no-undef
+globalThis.Buffer = Buffer;