Laser Focus support, with the added BattlerTagTypes to support it (#103)

* Added a new BattlerTagType and support for Laser Focus

BattlerTagType.ALWAYS_CRIT

* Updated battler-tags to support ALWAYS_CRIT

* Added ALWAYS_CRIT = "ALWAYS_CRIT", for the updated battler-tag-type

* Updated the crit formula to include the new critAlways

* Updated crit logic to include critAlways, fixed indents

src/field/pokemon.ts

@@ -1174,8 +1174,9 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
             power.value *= 1.5;
           let isCritical: boolean;
           const critOnly = new Utils.BooleanHolder(false);
+          const critAlways = source.getTag(BattlerTagType.ALWAYS_CRIT);
           applyMoveAttrs(CritOnlyAttr, source, this, move, critOnly);
-          if (critOnly.value)
+          if (critOnly.value || critAlways)
             isCritical = true;
           else {
             const critLevel = new Utils.IntegerHolder(0);
@@ -2879,4 +2880,4 @@ export class PokemonMove {
   getName(): string {
     return this.getMove().name;
   }
-}
+}