Add pallet-sense

[vovacha]

sense-pallet migration.

What was done?

• Change the syntax to the newest Substrate version with minor changes.
• Add tests and mocks.
• Add benchmarks.

Tests:

❯ cargo test -p pallet-sense --all-features
   Compiling pallet-sense v0.1.0 (/Users/vovacha/Projects/gamedao/gamedao-acala/gamedao/sense)
    Finished test [unoptimized + debuginfo] target(s) in 2.71s
     Running unittests (target/debug/deps/pallet_sense-952d6876c90a0174)

running 6 tests
test mock::__construct_runtime_integrity_test::runtime_integrity_tests ... ok
test tests::sense_mod_rep ... ok
test tests::sense_mod_trust ... ok
test tests::sense_mod_xp ... ok
test tests::sense_create_entity ... ok
test benchmarking::benchmark_tests::test_benchmarks ... ok

test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

   Doc-tests pallet-sense

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

[2075]

nice review, thanks @vovacha @BigKon

[2075]

we can also merge with two reviewers, if you like, @cryply can review still.