remove ubuntu workflow build

will add linux support in the future!

.github/workflows/build.yml

@@ -0,0 +1,42 @@
+name: Build & Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: x86_64-pc-windows-msvc
+
+      - uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            src-tauri/target
+          key: windows-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - run: npm install
+
+      - uses: tauri-apps/tauri-action@v0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
+          CARGO_BUILD_JOBS: "2"
+        with:
+          tagName: ${{ github.ref_name }}
+          releaseName: RLidentity ${{ github.ref_name }}
+          releaseBody: New release
+          releaseDraft: false