make sure that playerCharacter's shotGun has at least a straight forward shoot
added TrailRenderView
added SpawnProjectileTowardsTarget TargetEffectApplier, refactoring
added ShotGunTrail prefab
renamed shotGun trail material file name
updated shotgun trail prefab, added Projectile spawn option for SingleRayCastFinder, refactorings
updated shotgun trail material, updated player character and shotgun trail prefabs