Add module dependencies with new Go 1.13.

Author: semog

go.mod

@@ -0,0 +1,8 @@
+module github.com/semog/go-sqldb
+
+go 1.13
+
+require (
+	github.com/mattn/go-sqlite3 v1.11.0
+	github.com/semog/gocommon v1.0.0
+)

go.sum

@@ -0,0 +1,4 @@
+github.com/mattn/go-sqlite3 v1.11.0 h1:LDdKkqtYlom37fkvqs8rMPFKAMe8+SgjbwZ6ex1/A/Q=
+github.com/mattn/go-sqlite3 v1.11.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
+github.com/semog/gocommon v1.0.0 h1:nxHZ3mQwIZ4XtQIfbtm+YXsDXrAtX+XfbJ2+2NOf/ls=
+github.com/semog/gocommon v1.0.0/go.mod h1:dPxKJEA+ngDfyDF8qooRsKg80Tz0qZ1wRuyt3pEgFco=