feat: initialize sunrise with 100-player shared rooms

scripts/constants/gwacheon-buildings.json

@@ -0,0 +1,38 @@
+{
+  "bbox": [
+    126.975,
+    37.41,
+    127.015,
+    37.46
+  ],
+  "sourceCrs": "EPSG:5186",
+  "overlapAreaMeters2": 0.5,
+  "sourceUrl": "https://www.vworld.kr/dtmk/dtmk_ntads_s002.do?svcCde=NA&dsId=18",
+  "licensing": {
+    "license": "CC-BY-2.0-KR",
+    "licenses": {
+      "VWorld": "CC-BY-2.0-KR"
+    },
+    "licenseUrls": {
+      "VWorld": "https://creativecommons.org/licenses/by/2.0/kr/"
+    },
+    "distribution": {
+      "notice": "source.html",
+      "reviewedAt": "2026-10-30",
+      "note": "Buildings derived exclusively from VWorld GIS building data. Retain source attribution, CC BY 2.0 KR terms and modification notices."
+    }
+  },
+  "useTypes": {
+    "단독주택": "house",
+    "공동주택": "residential",
+    "제1종근린생활시설": "commercial",
+    "제2종근린생활시설": "commercial",
+    "업무시설": "commercial",
+    "판매시설": "retail",
+    "교육연구시설": "school",
+    "종교시설": "church",
+    "창고시설": "warehouse",
+    "의료시설": "hospital",
+    "공장": "industrial"
+  }
+}