add campaign & round

src/warchron/model/campaign.py

@@ -9,7 +9,7 @@ class Campaign:
         self.name = name
         self.month = datetime.now().month
         self.entrants = {}
-        self.rounds = {}
+        self.rounds = []
         self.is_over = False
 
     def set_id(self, new_id):
@@ -42,4 +42,20 @@ class Campaign:
         ## entrants placeholder
         ## rounds placeholder
         tmp.set_state(is_over)
-        return tmp
+        return tmp
+    
+    def add_round(self, number: int) -> Round:
+        round = Round()
+        self.rounds.append(round)
+        return round
+    
+    def get_round(self, round_id) -> Round:
+        return self.rounds[round_id]
+
+    def get_all_rounds(self) -> list[Round]:
+        return list(self.rounds)
+    
+    def add_round(self) -> Round:
+        round = Round()
+        self.rounds.append(round)
+        return round