Extra blank line at the end of Markdown code blocks

[ZianeA]

Running the Android sample, we can see that rendered markdown code blocks have an extra blank line at the end:

Calling trim() on the parsed string seems to fix the problem:

is AstIndentedCodeBlock -> {
      CodeBlock(text = astNodeType.literal.trim())
}
is AstFencedCodeBlock -> {
      CodeBlock(text = astNodeType.literal.trim())
}