remove node_modules and .gitignore them

node_modules/@smithy/util-base64/dist-es/fromBase64.js

@@ -1,12 +0,0 @@
-import { fromString } from "@smithy/util-buffer-from";
-const BASE64_REGEX = /^[A-Za-z0-9+/]*={0,2}$/;
-export const fromBase64 = (input) => {
-    if ((input.length * 3) % 4 !== 0) {
-        throw new TypeError(`Incorrect padding on base64 string.`);
-    }
-    if (!BASE64_REGEX.exec(input)) {
-        throw new TypeError(`Invalid base64 string.`);
-    }
-    const buffer = fromString(input, "base64");
-    return new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
-};