feat: bkash payment

Author: ProgrammerHasan

composer.json

@@ -23,8 +23,7 @@
       "ProgrammerHasan\\Bkash\\App\\": "src/app/"
     }
   },
-  "minimum-stability": "stable",
-  "prefer-stable": true,
+  "minimum-stability": "dev",
   "require": {
     "php": "^7.4|^8.0|^8.1|^8.2",
     "illuminate/support": "~6|~7|~8|~9|^10.0|^11.0|^12.0"