Implement MerkleDistributor

[tsudmi]

No description provided.

[github-actions]

Forge code coverage:

File	% Lines	% Statements	% Branches	% Funcs
src/MerkleDistributor.sol	98.48% (65/66)	95.56% (86/90)	78.57% (11/14)	100.00% (9/9)
src/OsTokenVaultEscrowAuth.sol	100.00% (4/4)	100.00% (9/9)	100.00% (0/0)	100.00% (2/2)
src/StakeHelpers.sol	67.12% (49/73)	70.09% (75/107)	38.46% (5/13)	85.71% (6/7)
src/StrategiesRegistry.sol	100.00% (19/19)	100.00% (26/26)	100.00% (8/8)	100.00% (5/5)
src/StrategyProxy.sol	62.50% (5/8)	63.64% (7/11)	50.00% (1/2)	83.33% (5/6)
src/VaultUserLtvTracker.sol	91.67% (22/24)	93.75% (30/32)	66.67% (4/6)	100.00% (4/4)
src/leverage/AaveLeverageStrategy.sol	96.30% (26/27)	96.77% (30/31)	75.00% (3/4)	100.00% (8/8)
src/leverage/EthAaveLeverageStrategy.sol	100.00% (10/10)	100.00% (14/14)	100.00% (0/0)	100.00% (4/4)
src/leverage/GnoAaveLeverageStrategy.sol	0.00% (0/10)	0.00% (0/14)	0.00% (0/1)	0.00% (0/4)
src/leverage/LeverageStrategy.sol	93.30% (209/224)	94.52% (293/310)	75.51% (37/49)	100.00% (24/24)
Total	87.96% (409/465)	88.51% (570/644)	71.13% (69/97)	91.78% (67/73)