Bump Version + Add support for arm64/armhf

[navanchauhan]

Problem

• v2.1.0
• Only amd64 support

Solution

• Bump version for prebuilt amd64 binary
• Build from source for arm64 and armhf

PR Status

• [x ] Code finished and ready to be reviewed/tested
• [x ] 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)

[navanchauhan]

!testme

[yunohost-bot]

May the CI gods be with you!

[navanchauhan]

Also @ericgaspar I saw that there is no maintainer listed in the manifest.json file. I am happy to take it over and maintain it

[ericgaspar]

Cool! Go for it.

[navanchauhan]

Awesome. Let me know once you give me write access