Add `yarn i18n` command to fix translation files

docs/development/yarn-commands.md

@@ -15,7 +15,9 @@ NODE_ENV=development
 - `yarn build` - Compile without a dev server, into `/static` directory.
 
 ## Translations
-- `yarn manage:translations` - Normalizes translation files. Should always be run after editing i18n strings.
+- `yarn i18n` - Rebuilds app and updates English locale to prepare for translations in other languages. Should always be run after editing i18n strings.
+
+- `yarn manage:translations` - A low-level translations manager utility.
 
 ## Tests
 - `yarn test:all` - Runs all tests and linters.

package.json

@@ -21,6 +21,7 @@
     "build": "npx webpack",
     "audit:fix": "npx yarn-audit-fix",
     "manage:translations": "npx ts-node ./scripts/translationRunner.ts",
+    "i18n": "rm -rf build tmp && npx cross-env NODE_ENV=production ${npm_execpath} run build && ${npm_execpath} manage:translations en",
     "test": "npx cross-env NODE_ENV=test npx jest",
     "test:coverage": "${npm_execpath} run test --coverage",
     "test:all": "${npm_execpath} run test:coverage && ${npm_execpath} run lint",