feat: incentive manager

[kerber0x]

Description and Motivation

This PR adds the incentive manager to the v2 branch.

Related Issues

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Checklist:

• [x] I have read Migaloo's contribution guidelines.
• [x] My pull request has a sound title and description (not something vague like Update index.md)
• [x] All existing and new tests are passing.
• [x] I updated/added relevant documentation.
• [x] The code is formatted properly cargo fmt --all --.
• [x] Clippy doesn't report any issues cargo clippy -- -D warnings.
• [x] I have regenerated the schemas if needed cargo schema.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 92.58605% with 84 lines in your changes are missing coverage. Please review.

Project coverage is 89.42%. Comparing base (755c4bd) to head (64ec60f). Report is 7 commits behind head on release/v2_contracts.

Files	Patch %	Lines
...uidity_hub/incentive-manager/tests/common/suite.rs	80.71%	43 Missing :warning:
packages/white-whale-std/src/pool_network/asset.rs	0.00%	8 Missing :warning:
...ckages/white-whale-std/src/epoch_manager/common.rs	33.33%	6 Missing :warning:
...ty_hub/incentive-manager/src/incentive/commands.rs	96.77%	4 Missing :warning:
...racts/liquidity_hub/incentive-manager/src/state.rs	94.02%	4 Missing :warning:
...dity_hub/incentive-manager/src/manager/commands.rs	98.30%	3 Missing :warning:
...ity_hub/incentive-manager/src/position/commands.rs	98.02%	3 Missing :warning:
...dity_hub/incentive-manager/src/position/helpers.rs	91.66%	3 Missing :warning:
packages/white-whale-std/src/incentive_manager.rs	70.00%	3 Missing :warning:
...racts/liquidity_hub/incentive-manager/src/error.rs	0.00%	2 Missing :warning:
... and 4 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/v2_contracts #323 +/- ## ======================================================== + Coverage 88.56% 89.42% +0.85% ======================================================== Files 243 260 +17 Lines 23584 26656 +3072 ======================================================== + Hits 20887 23836 +2949 - Misses 2697 2820 +123 ```

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[github-actions[bot]]

Schema generation had missing jobs:

Please run just schemas locally and upload the generated schemas.

[github-actions[bot]]

Schema generation had missing jobs:

contracts/liquidity_hub/pool-manager/schema/pool-manager.json
contracts/liquidity_hub/pool-manager/schema/raw/execute.json
contracts/liquidity_hub/pool-manager/schema/raw/response_to_pair.json

Please run just schemas locally and upload the generated schemas.

[github-actions[bot]]

Schema generation had missing jobs:

contracts/liquidity_hub/pool-manager/schema/pool-manager.json
contracts/liquidity_hub/pool-manager/schema/raw/execute.json
contracts/liquidity_hub/pool-manager/schema/raw/response_to_pair.json

Please run just schemas locally and upload the generated schemas.

[github-actions[bot]]

Schema generation had missing jobs:

contracts/liquidity_hub/pool-manager/schema/pool-manager.json
contracts/liquidity_hub/pool-manager/schema/raw/execute.json
contracts/liquidity_hub/pool-manager/schema/raw/response_to_pair.json

Please run just schemas locally and upload the generated schemas.