Update main.py (#79)

add commit. If you don't do this, the additions are not persistent in
the remote db.

Author: penberg

examples/remote/main.py

@@ -14,5 +14,6 @@
 conn.execute("INSERT INTO users VALUES ('second@example.com');")
 conn.execute("INSERT INTO users VALUES ('third@example.com');")
 
+conn.commit()
 
 print(conn.execute("select * from users").fetchall())