add world cup page

Signed-off-by: PythonShell <pythonshell@yeah.net>
update pages' links

Signed-off-by: PythonShell <pythonshell@yeah.net>
add world-cup link in index and about

Signed-off-by: PythonShell <pythonshell@yeah.net>
update blog/index.html

Signed-off-by: PythonShell <pythonshell@yeah.net>