Checks if a spatial extension is installed, and loads it in a DuckDB database
Examples
if (FALSE) { # interactive()
## load packages
library(duckdb)
library(duckspatial)
## connect to in memory database
conn <- dbConnect(duckdb::duckdb())
## install the spatial exntesion
ddbs_install(conn)
ddbs_load(conn)
## disconnect from db
dbDisconnect(conn)
}