Update Monsters into multiple files like spells are

dungeonsheets/monsters/monsters.py

@@ -0,0 +1,64 @@
+"""A collection of monsters. Also useful for building a list of wild
+shape forms.
+
+"""
+
+
+from dungeonsheets.stats import Ability
+from dungeonsheets.entity import Entity
+
+
+class Monster(Entity):
+    """A monster that may be encountered when adventuring."""
+
+    name = "Generic Monster"
+    description = ""
+    challenge_rating = 0
+    skills = "Perception +3, Stealth +4"
+    swim_speed = 0  # TODO: Consider refactoring stats.Speed to consider all of these just like we do stats.Ability
+    fly_speed = 0
+    climb_speed = 0
+    hp_max = 10
+    hit_dice = "1d6"
+
+    def __init__(self):
+        super(Monster, self).__init__()
+
+    @property
+    def is_beast(self):
+        is_beast = "beast" in self.description.lower()
+        return is_beast
+
+
+class Ankylosaurus(Monster):
+    """Thick armor plating covers the body of the plant-eating dinosaur
+    ankylosaurus, which defends itself against predators with a
+    knobbed tail that delivers a devastating strike.
+
+    **Tail:** *Melee Weapon Attack:* +7 to hit, reach 10 ft., one
+    target. *Hit:* 18 (4d6+4) bludgeoning damage. If the target is a
+    creature, it must succeed on a DC 14 Strength saving throw or be
+    knocked prone.
+
+    """
+
+    # TODO: This doesn't appear to be SRD
+
+    name = "Ankylosaurus"
+    description = "Huge beast, unaligned"
+    challenge_rating = 3
+    armor_class = 15
+    skills = ""
+    senses = "passive Perception 11"
+    strength = Ability(19)
+    dexterity = Ability(11)
+    constitution = Ability(15)
+    intelligence = Ability(2)
+    wisdom = Ability(12)
+    charisma = Ability(5)
+    speed = 30
+    swim_speed = 0
+    fly_speed = 0
+    climb_speed = 0
+    hp_max = 68
+    hit_dice = "8d12+16"