Extracting release dates from figures

tests/test_data/figures.json

@@ -26,7 +26,28 @@
                 "JPY": 9400,
                 "CNY": 465
             },
-            "release": [],
+            "release": [
+                {
+                    "full_text": "2023/2/15 , 9,400日元（税）",
+                    "year": 2023,
+                    "month": 2,
+                    "day": 15,
+                    "price": [
+                        "JPY",
+                        9400
+                    ]
+                },
+                {
+                    "full_text": "2022/8/6 , 9,400日元（税） , Smile Fest 2022 先行贩售",
+                    "year": 2022,
+                    "month": 8,
+                    "day": 6,
+                    "price": [
+                        "JPY",
+                        9400
+                    ]
+                }
+            ],
             "scale": null,
             "size": "H=100mm",
             "mfc_id": null,
@@ -66,7 +87,15 @@
             "value": {
                 "CNY": 1999
             },
-            "release": [],
+            "release": [
+                {
+                    "full_text": "2022年10月",
+                    "year": 2022,
+                    "month": 10,
+                    "day": null,
+                    "price": null
+                }
+            ],
             "scale": "1/3",
             "size": "H=270mm L=335mm D=355mm",
             "mfc_id": null,