Adds insertplan to model

store/postgres.go

@@ -1,10 +1,10 @@
 package store
 
 import (
-	"github.com/jmoiron/sqlx"
-
+	"fmt"
 	"gitea.deepak.science/deepak/gogmagog/models"
 	"gitea.deepak.science/deepak/gogmagog/util"
+	"github.com/jmoiron/sqlx"
 )
 
 type postgresStore struct {
@@ -53,3 +53,7 @@ func (store *postgresStore) SelectPlanByID(id int) (*models.Plan, error) {
 	}
 	return &plan, nil
 }
+
+func (store *postgresStore) InsertPlan(plan *models.Plan) (int, error) {
+	return 0, fmt.Errorf("Unimplemented method")
+}