Create markdown-cn.html.markdown

initiate
Updated the file head
Update markdown-cn.html.markdown
2nd para
halfway
Finally Done
Proofread and checked style
typo correction
Footnote corrected
Update markdown-cn.html.markdown
Changed filename
updated the filename into learnmarkdown-cn.md
Array initialization disambiguation - fixes #257

simply added proposed comment, which seems fine
Fixing missing space and dot.
In golang slices are dynamic, so a mention of append() for slice updates seems to be appropriate.
Fixed indentation error created in previous commit.
add german coffeescript introduction
fix overflowing line
Intial file created for TypeScript

Not all content but it's a good start
Some re-phrasing and typos