feat:取消系统自带软键盘设计，改为系统自用键盘组件-初步

feat:将打印分为图片打印和命令式打印-初步

android/app/src/main/java/io/flutter/plugins/facediscern/database/DatabaseHelper.java

@@ -16,7 +16,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
     private static final String DATABASE_PATH = "pj_cashier/database";
     private static final String DATABASE_NAME = "cash_register.db";
     /** 与 Flutter Floor 的 @Database 版本保持一致，避免原生层提前推进 user_version。 */
-    private static final int DATABASE_VERSION = 13;
+    private static final int DATABASE_VERSION = 14;
 
     public DatabaseHelper(Context context) {
         super(context, getCustomDatabasePath(context), null, DATABASE_VERSION);