feat(series): add HOTTEST PARTY (US) info

Author: nogic1008

content/series/.seriesList.json

@@ -119,6 +119,11 @@
     "backgroundColor": "coral",
     "color": "#000"
   },
+  "hottest-us": {
+    "title": "Dance Dance Revolution HOTTEST PARTY (US)",
+    "backgroundColor": "coral",
+    "color": "#000"
+  },
   "konamix": {
     "title": "Dance Dance Revolution KONAMIX",
     "backgroundColor": "orange",

content/series/hottest-us.md

@@ -0,0 +1,34 @@
+---
+slug: "hottest-us"
+platform: "Wii"
+region: "US"
+launched: "2007-09-25"
+difficulties:
+  0: { name: "BEGINNER", class: "is-beginner" }
+  1: { name: "BASIC", class: "is-basic" }
+  2: { name: "DIFFICULT", class: "is-difficult" }
+  3: { name: "EXPERT", class: "is-expert" }
+---
+
+# Dance Dance Revolution HOTTEST PARTY
+
+|発売日|機種|リージョン|
+|------|----|---------|
+|{{ $doc.launched }}|{{ $doc.platform }}|{{ $doc.region }}|
+
+## 収録曲リスト
+
+|Name|Artist|BPM|SINGLE|
+|----|------|---|------|
+
+## システム概要
+
+(WIP)
+
+## 隠し要素
+
+(WIP)
+
+## 他ソフトとの連動
+
+(WIP)