fix: create armel source

[guyou]

Problem

The armel architecture is not supported

Solution

Simply clone the arm.

Fixes #134

PR Status

• [ ] Code finished and ready to be reviewed/tested
• [ ] The fix/enhancement were manually tested (if applicable)

Automatic tests

Automatic tests can be triggered on https://ci-apps-dev.yunohost.org/ after creating the PR, by commenting "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!". (N.B. : for this to work you need to be a member of the Yunohost-Apps organization)

[guyou]

I don't know how to test such change. Give me some tips on this and I will be able to validate the change on my hardware.

[guyou]

I successfully run the following command:

sudo yunohost app install https://github.com/guyou/syncthing_ynh/tree/add-armel

[yalh76]

!testme

[yunohost-bot]

May the CI gods be with you!