Add web front-end and fix API issues

node_modules/shell-quote/quote.d.ts

@@ -0,0 +1,15 @@
+import parse = require('./parse');
+
+/**
+ * Quotes an array of tokens into a shell-safe string.
+ *
+ * Accepts strings and the object shapes that {@link parse} emits. Throws a
+ * `TypeError` for unrecognized object shapes, `op` values outside the
+ * allowlist, or `pattern`/`comment` values containing line terminators.
+ *
+ * @param args - Array of tokens to quote.
+ * @returns A shell-safe quoted string.
+ */
+declare function quote(args: readonly parse.ParseEntry[]): string;
+
+export = quote;