Update example reference with links

Author: malcolm-sparkfun

examples/README.md

@@ -6,13 +6,22 @@ NOTE: Any numbering of examples is to retain consistency with the Arduino librar
 ## Qwiic Relay Ex1 Single
 Example that shows the basics of using the single relay.
 
+The key methods showcased by this example are:
+- [get_relay_state()](https://docs.sparkfun.com/qwiic_relay_py/classqwiic__relay_1_1_qwiic_relay.html#a13f6189e3eab51e3789634698b25e964)
+- [set_relay_off()](https://docs.sparkfun.com/qwiic_relay_py/classqwiic__relay_1_1_qwiic_relay.html#abf6d3441123340f697a3d3ed77ed81d1)
+
 ## Qwiic Relay Ex2 Dual
 Example that shows the basics of using the dual relays.
 
+It shows how to pass parameters to [get_relay_state()](https://docs.sparkfun.com/qwiic_relay_py/classqwiic__relay_1_1_qwiic_relay.html#a13f6189e3eab51e3789634698b25e964)
+
 ## Qwiic Relay Ex3 Quad
 Example that shows the basics of using the quad relays.
 
 ## Qwiic Relay Ex4 Pwm
 Example that shows how to set and get the slow PWM value
 
+The key methods showcased by this example are:
+- [set_slow_pwm()](https://docs.sparkfun.com/qwiic_relay_py/classqwiic__relay_1_1_qwiic_relay.html#a8ef8b677aecdcb5fee370002b207fe72)
+- [get_slow_pwm()](https://docs.sparkfun.com/qwiic_relay_py/classqwiic__relay_1_1_qwiic_relay.html#a13c04f5a9c4802a382fa7458080543b1)