gram: docs

> ./packages/i18n/tsconfig.json

{
  "compilerOptions": {
    "target": "ES2020",
    "lib": ["ES2020"],
    "module": "ESNext",
    "skipLibCheck": true,
    "moduleResolution": "bundler",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true,
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true,
    "declaration": true
  },
  "include": ["src"],
  "exclude": ["node_modules", "dist"]
}