add PayNuQ Zaria, Nigeria test spec and icon #836

Job	Run time
build	24m 36s
Cancel Previous Runs	7s
Build Runtimes (encointer-node-notee)	11m 44s
build-try-runtime-and-benchmarks	19m 3s
cargo-toml-fmt	6s
Rust check +nightly fmt --all -- --check (x86_64-unknown-linux-gnu)	53s
unit-tests	18m 40s
Rust check clippy -p encointer-client-notee (x86_64-unknown-linux-gnu)	7m 9s
test_bootstrap_demo_community.sh	21m 43s
test_bot_community.sh	8m 59s
test_register_business.sh	2m 5s
Draft Release	0s
Publish Runtimes	0s
	1h 55m 5s

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