feat(locale): add Catalan language (#3550)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/runtime/locale/index.ts

@@ -1,6 +1,7 @@
 export { default as ar } from './ar'
 export { default as az } from './az'
 export { default as bn } from './bn'
+export { default as ca } from './ca'
 export { default as cs } from './cs'
 export { default as da } from './da'
 export { default as de } from './de'