feat: Transform to Tauri desktop app

- Initialize Tauri v2 project with Rust backend
- Restructure project: move source files to src/ directory
- Add Tauri configuration for Windows, macOS, and Linux builds
- Update Vite config for Tauri development workflow
- Add file system and dialog permissions for native features
- Update package.json with desktop build scripts
- Update tsconfig.json paths for new src structure
- Add Tauri and desktop badges to README
- Document desktop build process and architecture

src-tauri/.gitignore

@@ -0,0 +1,4 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+/gen/schemas

src-tauri/Cargo.toml

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+[package]
+name = "typogenie"
+version = "1.0.0"
+description = "TypoGenie - Markdown to Word document converter"
+authors = ["TypoGenie Contributors"]
+license = "MIT"
+repository = "https://git.lashman.live/lashman/typogenie"
+edition = "2021"
+rust-version = "1.77.2"
+
+[lib]
+name = "app_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2.5.3" }
+
+[dependencies]
+serde_json = "1.0"
+serde = { version = "1.0", features = ["derive"] }
+log = "0.4"
+tauri = { version = "2.9.5" }
+tauri-plugin-log = "2"
+tauri-plugin-dialog = "2"
+tauri-plugin-fs = "2"

src-tauri/build.rs

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+fn main() {
+  tauri_build::build()
+}

src-tauri/capabilities/default.json

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+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Default capabilities for TypoGenie",
+  "windows": [
+    "main"
+  ],
+  "permissions": [
+    "core:default",
+    "dialog:default",
+    "dialog:allow-open",
+    "dialog:allow-save",
+    "fs:default",
+    "fs:allow-read-file",
+    "fs:allow-write-file",
+    "fs:allow-read-dir",
+    "fs:allow-copy-file",
+    "fs:allow-remove",
+    "fs:allow-rename",
+    "fs:allow-exists",
+    "fs:allow-mkdir",
+    {
+      "identifier": "fs:scope",
+      "allow": [
+        {
+          "path": "$HOME"
+        },
+        {
+          "path": "$HOME/**"
+        },
+        {
+          "path": "$DESKTOP"
+        },
+        {
+          "path": "$DESKTOP/**"
+        },
+        {
+          "path": "$DOCUMENT"
+        },
+        {
+          "path": "$DOCUMENT/**"
+        },
+        {
+          "path": "$DOWNLOAD"
+        },
+        {
+          "path": "$DOWNLOAD/**"
+        }
+      ]
+    }
+  ]
+}

src-tauri/src/lib.rs

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+use tauri::Manager;
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+  tauri::Builder::default()
+    .plugin(tauri_plugin_dialog::init())
+    .plugin(tauri_plugin_fs::init())
+    .setup(|app| {
+      // Show the main window after setup
+      if let Some(window) = app.get_webview_window("main") {
+        let _ = window.show();
+        let _ = window.set_focus();
+      }
+
+      if cfg!(debug_assertions) {
+        app.handle().plugin(
+          tauri_plugin_log::Builder::default()
+            .level(log::LevelFilter::Info)
+            .build(),
+        )?;
+      }
+      Ok(())
+    })
+    .run(tauri::generate_context!())
+    .expect("error while running tauri application");
+}

src-tauri/src/main.rs

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+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+  app_lib::run();
+}

src-tauri/tauri.conf.json

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+{
+  "$schema": "../node_modules/@tauri-apps/cli/config.schema.json",
+  "productName": "TypoGenie",
+  "version": "1.0.0",
+  "identifier": "live.lashman.typogenie",
+  "build": {
+    "frontendDist": "../dist",
+    "devUrl": "http://localhost:3000",
+    "beforeDevCommand": "npm run dev",
+    "beforeBuildCommand": "npm run build"
+  },
+  "app": {
+    "windows": [
+      {
+        "label": "main",
+        "title": "TypoGenie",
+        "width": 1400,
+        "height": 900,
+        "minWidth": 1000,
+        "minHeight": 700,
+        "resizable": true,
+        "fullscreen": false,
+        "center": true,
+        "decorations": true,
+        "transparent": false,
+        "visible": false
+      }
+    ],
+    "security": {
+      "csp": "default-src 'self'; connect-src 'self' https://fonts.googleapis.com https://fonts.gstatic.com; font-src 'self' https://fonts.gstatic.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; img-src 'self' data: blob:;"
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": ["msi", "nsis", "dmg", "app", "deb", "rpm", "appimage"],
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ],
+    "category": "Productivity",
+    "shortDescription": "Markdown to Word document converter",
+    "longDescription": "TypoGenie is a free, open-source typesetting engine that transforms Markdown into beautifully formatted Microsoft Word documents with 40+ professional styles.",
+    "publisher": "TypoGenie Contributors",
+    "copyright": "Copyright (c) 2026 TypoGenie Contributors",
+    "license": "MIT",
+    "homepage": "https://git.lashman.live/lashman/typogenie",
+    "windows": {
+      "webviewInstallMode": {
+        "type": "embedBootstrapper"
+      }
+    }
+  }
+}