Switch to using runit instead of busybox implementation

0.13

service-daemon: use runit package instead of busybox implementation

0.12: Fix permission denied for start-stop-daemon

Since an update, service-daemon refuses to start, it seems necessary to manually
specify the working directory of start-stop-daemon to avoid permission errors.

This issue seems to be related to this one:
https://github.com/termux/termux-packages/issues/614

Make sure $PREFIX/var/run exists when starting service-daemon

Merge pull request #2 from Neo-Oli/pid-dir

Create run dircetory on start

Fix typo termux-services->service-daemon

0.0.4

Fix typo termux-services->service-daemon