debian: run as a daemon, ask informed consent (#162)

* Set verbose mode, depend on adduser

* Run as daemon

* Generate manpage

* Implement informed consent

* Set version

* Switch format to native

* Set environment

* Update packaging

* Create test and release pipelines

* Update debian/ooniprobe-cli.service

Co-authored-by: Simone Basso <bassosimone@gmail.com>

* Update debian/ooniprobe-cli.service

Co-authored-by: Simone Basso <bassosimone@gmail.com>

* Update debian/ooniprobe.conf.disabled

Co-authored-by: Simone Basso <bassosimone@gmail.com>

* fix(linux-debian-packages): build also on pull requests

Otherwise there's no way for us to test :^).

* fix(debian/control): ubuntu 20.04 has debhelper 12

See https://packages.ubuntu.com/focal/debhelper

* fix(debian/control): debhelper-compat relations doesn't work the way I thought

* Update debian/ooniprobe-cli.timer

Co-authored-by: Simone Basso <bassosimone@gmail.com>

debian/ooniprobe-cli.templates

@@ -0,0 +1,17 @@
+Template: ooniprobe-cli/ask-consent
+Type: boolean
+Default: false
+Description: Do you consent to OONI Probe data collection?
+ OONI Probe collects evidence of internet censorship and measures
+ network performance.
+ .
+ WARNING:
+ .
+ - OONI Probe will likely test objectionable sites and services
+ .
+ - Anyone monitoring your internet activity (such as a government
+ or Internet provider) may be able to tell that you are using OONI Probe
+ .
+ - The network data you collect will be published automatically
+ .
+ To learn more, see https://ooni.org/about/risks/