Run oxfmt across repo, add format script and ignore config

Format all non-generated files with oxfmt via `vp fmt`. Add
.oxfmtignore to skip bindings/ and wasm-pack output. Add npm
format script and update DEVELOPMENT.md docs.

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

src-web/hooks/useAllRequests.ts

@@ -2,8 +2,8 @@ import {
   grpcRequestsAtom,
   httpRequestsAtom,
   websocketRequestsAtom,
-} from '@yaakapp-internal/models';
-import { atom, useAtomValue } from 'jotai';
+} from "@yaakapp-internal/models";
+import { atom, useAtomValue } from "jotai";
 
 export const allRequestsAtom = atom((get) => [
   ...get(httpRequestsAtom),