Update Tauri V1 -> V2 (#12)

* init
* optimization v2 migration
* remove postcard crate
* fix comments
---------

Signed-off-by: Pushkar Mishra <[email protected]>

Author: pushkarm029

.github/workflows/build-library.yml

@@ -31,8 +31,6 @@ jobs:
         run: cargo ndk -o ./target/release/jniLibs --target aarch64-linux-android --target armv7-linux-androideabi --target i686-linux-android --target x86_64-linux-android build -p drop_core  --release
       - name: Build Rust Library
         run: cargo build -p drop_core
-      - name: Generate Bindings
-        run: cargo run -p uniffi-bingen generate --library ./target/debug/drop_core.dll --language=kotlin --out-dir ./target/release/bindings
       - name: Upload Library
         uses: actions/upload-artifact@v4
         with: