Switch from '@bs.string' to '@bs.inline' technique for 'encoding' argument; formatting changes.

Author: austindd

src/StringDecoder.re

@@ -1,12 +1,6 @@
 type t;
 [@bs.new] [@bs.module "string_decoder"]
-external make:
-  (
-  [@bs.string]
-  [ | `hex | `utf8 | `ascii | `latin1 | `base64 | `ucs2 | `base64 | `binary | `utf16le]
-  ) =>
-  t =
-  "StringDecoder";
+external make: StringEncoding.t => t = "StringDecoder";
 [@bs.send] external end_: t => string = "end";
 [@bs.send] external writeEnd: (t, Buffer.t) => string = "end";
 [@bs.send] external write: (t, Buffer.t) => string = "write";