refactor: transitioned auth controller to use the new controller structure;

feat: setup DI for controllers;
refactor: marked old utils and routes package parts as deprecated

backend/internal/controllers/account.go

@@ -23,12 +23,12 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-// @Summary Change account password
-// @Tags Account
-// @Accept json
-// @Produce json
-// @Security JWT
-// @Router /account/changePassword [put]
+//	@Summary	Change account password
+//	@Tags		Account
+//	@Accept		json
+//	@Produce	json
+//	@Security	JWT
+//	@Router		/account/changePassword [put]
 func ChangePassword(c *gin.Context) {
 	c.Status(http.StatusNotImplemented)
 }