[feature] #3660: Add Numeric type

[Erigara]

Description

Introduce unified decimal numeric type for assets, no more Quantity, BigQuantity, Fixed.

Type is represented as 96bit mantissa + scale up to 28 decimal places.

Linked issue

Closes #3660

Benefits

Simplified code, decimals commonly use in monetary applications.

[github-actions]

@BAStos525

[coveralls]

Pull Request Test Coverage Report for Build 8170013578

Details

• 385 of 585 (65.81%) changed or added relevant lines in 25 files are covered.
• 3515 unchanged lines in 61 files lost coverage.
• Overall coverage decreased (-0.01%) to 56.774%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
core/src/smartcontracts/isi/mod.rs	0	1	0.0%
data_model/src/integer.rs	21	22	95.45%
data_model/src/domain.rs	3	5	60.0%
data_model/src/visit.rs	0	3	0.0%
smart_contract/executor/derive/src/default.rs	0	3	0.0%
data_model/src/predicate.rs	46	50	92.0%
smart_contract/executor/src/default.rs	0	6	0.0%
client_cli/src/main.rs	3	10	30.0%
core/src/wsv.rs	6	13	46.15%
data_model/src/lib.rs	4	11	36.36%

Files with Coverage Reduction	New Missed Lines	%
core/src/sumeragi/network_topology.rs	1	98.78%
tools/kagami/src/crypto.rs	1	12.12%
data_model/src/metadata.rs	2	78.87%
primitives/src/unique_vec.rs	2	91.24%
config/src/kura.rs	3	80.0%
data_model/src/asset.rs	4	48.81%
config/src/logger.rs	5	72.73%
logger/src/lib.rs	5	94.12%
tools/kagami/src/main.rs	5	0.0%
crypto/src/signature/secp256k1.rs	7	96.09%

Totals
Change from base Build 7884695009:	-0.01%
Covered Lines:	22432
Relevant Lines:	39511

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💛 - Coveralls

[SamHSmith]

I think this is very good. I currently have to expose this to library users and have them correctly match "Quantity" and "BigQuantity" et cetera. Having it all be the same type is much better.

[Erigara]

pytest works fine locally