Add trailer class

trailer.py

@@ -0,0 +1,32 @@
+class Trailer:
+
+    def __init__(self, capacity, _type, priority, weight):
+        self.capacity = capacity
+        self.type = _type
+        self.priority = priority
+        self.weight = weight
+
+
+class Fertilizer(Trailer):  # do nawożenia
+
+    def __init__(self):
+        super(Fertilizer, self).__init__(capacity=1, _type="Fertilizer", priority=1, weight=1)  # parametry do uzupełnienia
+
+
+class Water(Trailer):  # do podlewania
+
+    def __init__(self):
+        super(Water, self).__init__(capacity=1, _type="Water", priority=1, weight=1)  # parametry do uzupełnienia
+
+
+class Harvest(Trailer):  # do zbierania
+
+    def __init__(self):
+        super(Harvest, self).__init__(capacity=1, _type="Harvest", priority=1, weight=1)  # parametry do uzupełnienia
+
+
+class Sow(Trailer):  # do siania
+
+    def __init__(self):
+        super(Sow, self).__init__(capacity=1, _type="Sow", priority=1, weight=1)  # parametry do uzupełnienia
+