reduce key swap cost to 0.1 TAO

Author: camfairchild

Diff for: runtime/src/lib.rs

@@ -956,7 +956,7 @@ parameter_types! {
     pub const SubtensorInitialNetworkLockReductionInterval: u64 = 14 * 7200;
     pub const SubtensorInitialNetworkRateLimit: u64 = 7200;
     pub const SubtensorInitialTargetStakesPerInterval: u16 = 1;
-    pub const SubtensorInitialKeySwapCost: u64 = 1_000_000_000;
+    pub const SubtensorInitialKeySwapCost: u64 = 100_000_000; // 0.1 TAO
     pub const InitialAlphaHigh: u16 = 58982; // Represents 0.9 as per the production default
     pub const InitialAlphaLow: u16 = 45875; // Represents 0.7 as per the production default
     pub const InitialLiquidAlphaOn: bool = false; // Default value for LiquidAlphaOn