Align inner types too

Fix worker test

Github actions were running low on memory causing ENOMEM errors
when running the test_work test.

This commit lowers the number of background coroutines in hopes
to alleviate the memory pressure.

Faster neco_start

This commit alters the behavior of neco_start in order to shorten
the time it takes to start a coroutine and switching back to the
parent coroutine. Making for faster neco_start.

See #12

Adjust neco_main specifiers to remove warnings

Remove the static inline specifier from the __neco_main signature
to avoid old-style-declaration warning when -Wextra is provided.

Update llco

See #9
See tidwall/llco@b6a5a5b

Fixed flag toggle

Ignore unused argument

Increase concurrent workers

Add package file

Merge pull request #2 from j4cobgarby/fix-detach-segfault

fix the possibility for pthread_detach(0)