add Makefile

Change-Id: Iff29c42a440c89b0f19e80138792d62948173a6b

Author: wangfenjin

Makefile

@@ -0,0 +1,11 @@
+.EXPORT_ALL_VARIABLES:
+
+# In order to use buildtime_bindgen
+# you need to build duckdb locally and export the envs
+LD_LIBRARY_PATH = /Users/wangfenjin/duckdb:$LD_LIBRARY_PATH
+DUCKDB_LIB_DIR = /Users/wangfenjin/duckdb
+DUCKDB_INCLUDE_DIR = /Users/wangfenjin/duckdb
+
+all:
+	cargo test --features buildtime_bindgen -- --nocapture
+	cargo clippy --all-targets --workspace --features buildtime_bindgen -- -D warnings -A clippy::redundant-closure