move sub libraries to the right spot

diff --git a/pkgs/markdown/lib/markdown.dart b/pkgs/markdown/lib/markdown.dart
index e85109f..f127450 100644
--- a/pkgs/markdown/lib/markdown.dart
+++ b/pkgs/markdown/lib/markdown.dart

@@ -5,8 +5,8 @@
 /// Parses text in a markdown-like format and renders to HTML.
 library markdown;
 
-export 'src/markdown/ast.dart';
-export 'src/markdown/block_parser.dart';
-export 'src/markdown/document.dart';
-export 'src/markdown/html_renderer.dart';
-export 'src/markdown/inline_parser.dart';
+export 'src/ast.dart';
+export 'src/block_parser.dart';
+export 'src/document.dart';
+export 'src/html_renderer.dart';
+export 'src/inline_parser.dart';

diff --git a/pkgs/markdown/lib/src/markdown/ast.dart b/pkgs/markdown/lib/src/ast.dart
similarity index 100%
rename from pkgs/markdown/lib/src/markdown/ast.dart
rename to pkgs/markdown/lib/src/ast.dart


diff --git a/pkgs/markdown/lib/src/markdown/block_parser.dart b/pkgs/markdown/lib/src/block_parser.dart
similarity index 100%
rename from pkgs/markdown/lib/src/markdown/block_parser.dart
rename to pkgs/markdown/lib/src/block_parser.dart


diff --git a/pkgs/markdown/lib/src/markdown/document.dart b/pkgs/markdown/lib/src/document.dart
similarity index 100%
rename from pkgs/markdown/lib/src/markdown/document.dart
rename to pkgs/markdown/lib/src/document.dart


diff --git a/pkgs/markdown/lib/src/markdown/html_renderer.dart b/pkgs/markdown/lib/src/html_renderer.dart
similarity index 100%
rename from pkgs/markdown/lib/src/markdown/html_renderer.dart
rename to pkgs/markdown/lib/src/html_renderer.dart


diff --git a/pkgs/markdown/lib/src/markdown/inline_parser.dart b/pkgs/markdown/lib/src/inline_parser.dart
similarity index 100%
rename from pkgs/markdown/lib/src/markdown/inline_parser.dart
rename to pkgs/markdown/lib/src/inline_parser.dart


diff --git a/pkgs/markdown/lib/src/markdown/util.dart b/pkgs/markdown/lib/src/util.dart
similarity index 100%
rename from pkgs/markdown/lib/src/markdown/util.dart
rename to pkgs/markdown/lib/src/util.dart