chore: build flowy_sdk as static lib in macOS

frontend/Makefile.toml

@@ -25,8 +25,8 @@ CURRENT_APP_VERSION = "0.0.4"
 FEATURES = "flutter"
 PRODUCT_NAME = "AppFlowy"
 #CRATE_TYPE: https://doc.rust-lang.org/reference/linkage.html
-CRATE_TYPE = "cdylib"
-SDK_EXT = "dylib"
+CRATE_TYPE = "staticlib"
+SDK_EXT = "a"
 APP_ENVIRONMENT = "local"
 FLUTTER_FLOWY_SDK_PATH="app_flowy/packages/flowy_sdk"
 PROTOBUF_DERIVE_CACHE="../shared-lib/flowy-derive/src/derive_cache/derive_cache.rs"