chore: add adbc, duckdb examples

Author: tokoko

examples/adbc_example.py

@@ -1,9 +1,8 @@
 """
-Install pyarrow, adbc_driver_duckdb and duckdb before running this example
+Install pyarrow, adbc-driver-manager and duckdb before running this example
 This example  currently can be run only with duckdb<=1.1.3, later vesions of duckdb no longer support substrait in adbc
 """
 
-
 import adbc_driver_duckdb.dbapi
 import pyarrow
 from substrait.builders.plan import read_named_table, filter