Added missing package data

Author: adamlui

find-project-root/pyproject.toml

@@ -90,3 +90,14 @@ dev = [
     "tomli-w>=1.2.0,<2",
     "translate-messages>=1.10.1,<2",
 ]
+
+[tool.setuptools.packages.find]
+where = [
+    "src",
+]
+
+[tool.setuptools.package-data]
+find_project_root = [
+    "data/*.json",
+    "data/_locales/en/messages.json",
+]