add icu duckdb extension for python and r (#317)

Author: ihiverlet

python-minimal/scripts/install-duckdb-extensions.py

@@ -4,3 +4,4 @@
 duckdb.sql("INSTALL aws")
 duckdb.sql("INSTALL postgres")
 duckdb.sql("INSTALL spatial")
+duckdb.sql("INSTALL icu")

r-datascience/scripts/install-duckdb-extensions.R

@@ -4,4 +4,5 @@ DBI::dbExecute(con, 'INSTALL httpfs')
 DBI::dbExecute(con, 'INSTALL aws')
 DBI::dbExecute(con, 'INSTALL postgres')
 DBI::dbExecute(con, 'INSTALL spatial')
+DBI::dbExecute(con, 'INSTALL icu')
 DBI::dbDisconnect(con, shutdown=TRUE)