Add rabbits, beavers and teddy bears

dungeonbattle/entities/monsters.py

@@ -34,7 +34,25 @@ class Monster(FightingEntity):
                     break
 
 
+class Beaver(Monster):
+    name = "beaver"
+    maxhealth = 30
+    strength = 2
+
+
 class Hedgehog(Monster):
     name = "hedgehog"
     maxhealth = 10
     strength = 3
+
+
+class Rabbit(Monster):
+    name = "rabbit"
+    maxhealth = 15
+    strength = 1
+
+
+class TeddyBear(Monster):
+    name = "teddy_bear"
+    maxhealth = 500
+    strength = 0