Use generator to generate exceptions from yaml

Signed-off-by: Asai Neko <sugar@sne.moe>

internal/exception/common_gen.go

@@ -0,0 +1,13 @@
+// Code generated by gen-exception; DO NOT EDIT.
+package exception
+
+const (
+	CommonErrorInvalidInput = "00001"
+	CommonErrorUnauthorized = "00002"
+	CommonErrorInternal = "00003"
+	CommonErrorPermissionDenied = "00004"
+	CommonErrorUuidParseFailed = "00005"
+	CommonErrorDatabase = "00006"
+	CommonErrorMissingUserId = "00007"
+	CommonErrorUserNotFound = "00008"
+)