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>

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: voidzero-dev/setup-vp@v1
         with:
-          node-version: '24'
+          node-version: "24"
           cache: true
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2

.github/workflows/claude.yml

@@ -47,4 +47,3 @@ jobs:
           # See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
           # or https://code.claude.com/docs/en/cli-reference for available options
           # claude_args: '--allowed-tools Bash(gh pr:*)'
-

.github/workflows/release-app.yml

@@ -53,7 +53,7 @@ jobs:
       - name: Setup Vite+
         uses: voidzero-dev/setup-vp@v1
         with:
-          node-version: '24'
+          node-version: "24"
           cache: true
 
       - name: install Rust stable

.github/workflows/sponsors.yml

@@ -16,23 +16,23 @@ jobs:
         uses: JamesIves/github-sponsors-readme-action@v1
         with:
           token: ${{ secrets.SPONSORS_PAT }}
-          file: 'README.md'
+          file: "README.md"
           maximum: 1999
           template: '<a href="https://github.com/{{{ login }}}"><img src="{{{ avatarUrl }}}" width="50px" alt="User avatar: {{{ login }}}" /></a>&nbsp;&nbsp;'
           active-only: false
           include-private: true
-          marker: 'sponsors-base'
+          marker: "sponsors-base"
 
       - name: Generate Sponsors
         uses: JamesIves/github-sponsors-readme-action@v1
         with:
           token: ${{ secrets.SPONSORS_PAT }}
-          file: 'README.md'
+          file: "README.md"
           minimum: 2000
           template: '<a href="https://github.com/{{{ login }}}"><img src="{{{ avatarUrl }}}" width="80px" alt="User avatar: {{{ login }}}" /></a>&nbsp;&nbsp;'
           active-only: false
           include-private: true
-          marker: 'sponsors-premium'
+          marker: "sponsors-premium"
 
       # ⚠️ Note: You can use any deployment step here to automatically push the README
       # changes back to your branch.
@@ -41,4 +41,4 @@ jobs:
         with:
           branch: main
           force: false
-          folder: '.'
+          folder: "."