Add init database.go

backend/memgraph/init_database.go

@@ -2,21 +2,24 @@ package memgraph
 
 import (
 	"context"
+	"log"
 
 	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
 )
 
-func InitDatabase(dbUri, dbUser, dbPassword string) error {
+func InitDatabase(dbUri, dbUser, dbPassword string) neo4j.DriverWithContext {
 	driver, err := neo4j.NewDriverWithContext(dbUri, neo4j.BasicAuth(dbUser, dbPassword, ""))
 	if err != nil {
-		return err
+		log.Panicln(err)
 	}
+
 	ctx := context.Background()
 	defer driver.Close(ctx)
 
 	err = driver.VerifyConnectivity(ctx)
 	if err != nil {
-		panic(err)
+		log.Panicln(err)
 	}
 
+	return driver
 }