readme.md update - TODO

README.md

@@ -1,2 +1,20 @@
 # mdast
+MarkDown (md) to Abstract Syntax Tree  (ast) parser
+
+## TODO
+
+### Add support of blockquotes
+
+#### Extend current `indent`
+
+Add `indentRegexp` to use `>` character for blockquote indentation. For now 
+`indent` works only with spaces. This regexp will be used in `cutIndent` function
+
+### Add support of image/link references
+
+### Add support of basic markdown
+
+### mdplus features
+
+### mermaid