Set vim language according to locale

install.sh

@@ -81,3 +81,6 @@ install_or_update_plugin "https://github.com/alfredodeza/pytest.vim" "master"
     cd "${PLUGIN_DIR}/minibufexpl.vim.git" || exit 1
     patch -p1 < "${CWD}/002-minibufexpl.patch"
 )
+
+# Update language
+sed -i "s|language \"[^\"]\"|language \"${LANG}\"|" "${HOME}/.vim/config/02-languages.vim"