Init (#17)

* add basic gitignore

* init go mod

* add semrel and badges

* add error pkg

* added config pkg

* added main cmd structure

* return error on file not found and added log ids and messages

* add todo for error_creator.go

pkg/auth/auth.go

@@ -0,0 +1,14 @@
+package auth
+
+import (
+	"context"
+
+	"github.com/caos/zitadel/internal/errors"
+)
+
+type Config struct {
+}
+
+func Start(ctx context.Context, config Config) error {
+	return errors.ThrowUnimplemented(nil, "AUTH-l7Hdx", "not implemented yet") //TODO: implement
+}