diff --git a/.gitignore b/.gitignore
index 93504ce..79c3796 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ __pycache__/
 *.pyc
 *.egg-info/
 models/mysql.ddl.sql
+build/
diff --git a/pyproject.toml b/pyproject.toml
index 8bc1b69..3db39ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,3 +10,6 @@ requires-python = ">=3.10"
 
 [tool.setuptools.packages.find]
 include = ["sage_datamart*"]
+
+[tool.setuptools.package-data]
+"*" = ["*.json"]
diff --git a/sage_datamart/i18n/__init__.py b/sage_datamart/i18n/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sage_datamart/i18n/en/__init__.py b/sage_datamart/i18n/en/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sage_datamart/i18n/jp/__init__.py b/sage_datamart/i18n/jp/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sage_datamart/i18n/ko/__init__.py b/sage_datamart/i18n/ko/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sage_datamart/i18n/zh/__init__.py b/sage_datamart/i18n/zh/__init__.py
new file mode 100644
index 0000000..e69de29