Create launchcode5.md
Added launchcode-tn.jpg to docs/static/img
Fixed launchcode5.md description
update README.md with info on adding compile information to version
add support for fsync's noTime flag
change path usage to filepath
converted path 2 filepath
convert path 2 filepath
converted path 2 filepath
converted path 2 filepath
converted helpers usage of path 2 filepath
Update creating-a-new-theme.md

Update heading levels to confirm to the other tutorials. Create a similar front-matter using YAML, since I couldn't figure out how to get the menu:main:parent working as TOML.
Update creating-a-new-theme.md
Update creating-a-new-theme.md
Reinsert deleted test

This test was deleted by mistake in owenwaller's contribution to add more tests.

I haven't looked closer, there may be more missing.
Fix `GroupBy` function issues

Following issues are fixed

1. Can't access fields and methods specified in GroupBy call
2. PagesGroup doesn't contain Pages. It's always empty.
3. When GroupBy is called with Section key, it doesn't work as expected