Run oxfmt across repo, add format script and docs

Add .oxfmtignore to skip generated bindings and wasm-pack output.
Add npm format script, update DEVELOPMENT.md for Vite+ toolchain,
and format all non-generated files with oxfmt.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

plugins-external/faker/package.json

@@ -1,8 +1,8 @@
 {
   "name": "@yaak/faker",
-  "private": true,
-  "version": "1.1.1",
   "displayName": "Faker",
+  "version": "1.1.1",
+  "private": true,
   "description": "Template functions for generating fake data using FakerJS",
   "repository": {
     "type": "git",