Include RawBodyError in types.ts

Fixes #24

src/errors.ts

@@ -1,6 +1,6 @@
 // Packages
 import bytes from 'bytes';
-import { RawBodyError } from 'raw-body';
+import { RawBodyError } from './types';
 
 export class MicriError extends Error {
 	statusCode: number;

src/types.ts

@@ -7,3 +7,34 @@ export interface IncomingOpts {
 	limit?: string | number;
 	encoding?: string | null;
 }
+
+// The following type is borrowed from raw-body to avoid depending on the whole
+// library twice just for proper typing.
+export interface RawBodyError extends Error {
+	/**
+	 * The limit in bytes.
+	 */
+	limit?: number;
+	/**
+	 * The expected length of the stream.
+	 */
+	length?: number;
+	expected?: number;
+	/**
+	 * The received bytes.
+	 */
+	received?: number;
+	/**
+	 * The encoding.
+	 */
+	encoding?: string;
+	/**
+	 * The corresponding status code for the error.
+	 */
+	status: number;
+	statusCode: number;
+	/**
+	 * The error type.
+	 */
+	type: string;
+}