Improve doc

src/server/api/endpoints/hashtags/list.ts

@@ -44,7 +44,14 @@ export const meta = {
 				'-attachedRemoteUsers',
 			]),
 		},
-	}
+	},
+
+	res: {
+		type: 'array',
+		items: {
+			type: 'Hashtag'
+		}
+	},
 };
 
 const sort: any = {

src/server/api/endpoints/hashtags/search.ts

@@ -35,7 +35,14 @@ export const meta = {
 				'ja-JP': 'オフセット'
 			}
 		}
-	}
+	},
+
+	res: {
+		type: 'array',
+		items: {
+			type: 'string'
+		}
+	},
 };
 
 export default define(meta, async (ps) => {

src/server/api/endpoints/hashtags/users.ts

@@ -44,7 +44,14 @@ export const meta = {
 			]),
 			default: 'local'
 		}
-	}
+	},
+
+	res: {
+		type: 'array',
+		items: {
+			type: 'User'
+		}
+	},
 };
 
 const sort: any = {