Initial commit: Voiced invoice desktop app

Offline-first invoicing app for Test Vendor, built by Bongbetic.

- Tauri v2 (Rust) + React/TypeScript + IBM Carbon Design System UI
- SQLite (rusqlite) storage with a persistent invoice-number series
- Guided first-run setup, pre-filled vendor/bank details
- Fixed-amount or rate x quantity line items (per sec/min/hour/session/unit)
- GST as CGST+SGST or IGST, Indian amount-in-words
- Optional signature, with a computer-generated note as fallback
- Print-ready PDF export via @react-pdf/renderer
- Windows cross-compile via cargo-xwin (NSIS installer)

Co-authored-by: CommandCodeBot <noreply@commandcode.ai>

.gitea/workflows/windows-build.yml

@@ -0,0 +1,36 @@
+# Fallback CI: build the Windows installer on a Windows runner.
+# Requires a Gitea Actions runner labelled `windows` on git.bongbetic.com.
+# The primary build path is `npm run app:build:windows` (cross-compile via cargo-xwin).
+name: Windows build
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  build:
+    runs-on: windows
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Install Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build the app
+        run: npm run app:build
+
+      - name: Upload installer
+        uses: actions/upload-artifact@v4
+        with:
+          name: voiced-windows
+          path: src-tauri/target/release/bundle/nsis/*.exe