New app: Ethic Keyboard

Required

[✓] The app complies with the inclusion criteria https://f-droid.org/docs/Inclusion_Policy [✓] The original app author has been notified (and does not oppose the inclusion) — Submission by the upstream author (public account jpi59 / IDEH Labs). [✓] All related fdroiddata and RFP issues have been referenced (Closes rfp#4374 (closed)). [✓] Builds with fdroid build and pipeline passes reproducibly against upstream reference binary. [✓] There is an issue tracker and contact info of the author (IDEH Labs).

Strongly recommended

[✓] The upstream app source code repo contains Fastlane metadata (summary, description, images, changelogs). [✓] Releases are tagged (v6.6.6) and auto-update is enabled (AutoUpdateMode: Version).

Suggested

[✓] Reproducible build verified against reference binary (AllowedAPKSigningKeys: 67e4d47e932f7c6dcef1c0f142f39c50528341fc4d12cb0ef75e2d598f8bfc44).

Closes rfp#4374 (closed)