[CORE-841] Add VolatilityBounds store#891

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tqin7 wants to merge 3 commits intomainfrom tq/core-841

+3,064-83

Commits on Dec 12, 2023

add volatility_bounds_period to LiquidityTier proto and add VolatilityBounds proto
tqin7
committed
set liquidity tier with volatility bounds period and validate that it's a positive duration
tqin7
committed

Commits on Dec 14, 2023

add perpetuals store for volatility bounds, getter and setter methods, and initialize volatility bounds when creating a perpetual
tqin7
committed