Move Map and Run onto Parser, and document stuff

bytes/bytes_test.go

@@ -21,7 +21,7 @@ func ExampleToken() {
 	)
 
 	tokenize := gigaparsec.Repeat(0, bytes.Token[string](bytes.WhitespaceASCII())(ptokens))
-	tokens, _ := gigaparsec.Run(tokenize, strings.NewReader("(alpha + 42) -5  "))
+	tokens, _ := tokenize.Run(strings.NewReader("(alpha + 42) -5  "))
 	for _, token := range tokens {
 		fmt.Println(token)
 	}