doc: update readme with short syntax

README.md

@@ -17,37 +17,30 @@ $ pip install markdownio
 ## Usage
 
 ```python
-from markdownio import MarkdownIO, block, span
+from markdownio import MarkdownIO, span
 
 
 markdown = MarkdownIO()
 
-title = block.Header1("My test document")
-markdown.add(title)
-
-text_p1 = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus " \
-          "rutrum consequat " + span.bold("odio") + " et mollis."
-p1 = block.Paragraph(text_p1)
-markdown.add(p1)
-
-img = block.Paragraph(span.image(path="path/img.jpg", alt="img", title="img"))
-markdown.add(img)
-
-table = block.Table(columns=3)
-table.set_headers(['Col1', 'Col2', 'Col3'])
-table.add_row(['foo', 'bar', 'foobar'])
-table.add_row(['oof', 'rab', 2000])
-markdown.add(table)
-
-text_p2 = "This is an interesting article: " + span.link(path='http://test.io')
-p2 = block.Paragraph(text_p2)
-markdown.add(p2)
-
-subtitle = block.Header2("Code example")
-markdown.add(subtitle)
-
-code = block.Code('<p>Test</p>', language='html')
-markdown.add(code)
+markdown.h1("My test document")
+markdown.p(
+    text="Lorem ipsum dolor sit amet, consectetur adipiscing elit. "
+         "Vivamus rutrum consequat " + span.bold("odio") + " et mollis."
+)
+markdown.p(span.image(path="path/img.jpg", alt="img", title="img"))
+markdown.table(
+    columns=3,
+    headers=['Col1', 'Col2', 'Col3'],
+    rows=[
+        ['foo', 'bar', 'foobar'],
+        ['oof', 'rab', 2000],
+    ]
+)
+markdown.p(
+    text="This is an interesting article: " + span.link(path='http://test.io')
+)
+markdown.h2("Code example")
+markdown.code(text='<p>Test</p>', language='html')
 
 print(markdown.output())
 ```