Implement more endpoints & overhaul [2/n]

Drop LevelDB and move all the things to SQLite.

Implemented endpoints:
/api <unit, accessoryMaterialAll>
/api <unit, accessoryTab>
/live/continue
/live/partyList
/unit/favoriteAccessory (WIP)
/unit/sale

Signed-off-by: Sean Du <do4suki@gmail.com>

internal/schema/api/unit/accessorytab.go

@@ -0,0 +1,22 @@
+package unitapischema
+
+type AssetList struct {
+	UnitTypeID int    `json:"unit_type_id"`
+	AssetPath  string `json:"asset_path"`
+}
+
+type TabList struct {
+	TabName   string      `json:"tab_name"`
+	AssetList []AssetList `json:"asset_list"`
+}
+
+type AccessoryTabData struct {
+	TabList []TabList `json:"tab_list"`
+}
+
+type AccessoryTabResp struct {
+	Result     AccessoryTabData `json:"result"`
+	Status     int              `json:"status"`
+	CommandNum bool             `json:"commandNum"`
+	TimeStamp  int64            `json:"timeStamp"`
+}