Update example reference with links

Author: malcolm-sparkfun

examples/README.md

@@ -6,41 +6,54 @@ NOTE: Any numbering of examples is to retain consistency with the Arduino librar
 ## Qwiic Alphanumeric Ex01 Print String
 This example shows how to use the print() function to illuminate strings
  on the alphanumeric display.
- ----------------------------------------------------------------------
+
+The key methods showcased by this example are: 
+- [print()](https://docs.sparkfun.com/qwiic_alphanumeric_py/classqwiic__alphanumeric_1_1_qwiic_alphanumeric.html#a916b7edd972f2655306c29fa94e11c8b)
 
 ## Qwiic Alphanumeric Ex02 Turn On One Segment
 This example tests illuminating individual segments of the display. Pass
  in the segment and digit you wish to illuminate into illuminate_segment().
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+
+The key methods showcased by this example are: 
+- [illuminate_segment()](https://docs.sparkfun.com/qwiic_alphanumeric_py/classqwiic__alphanumeric_1_1_qwiic_alphanumeric.html#a57963d3941b17d1cf992b60dd68bd299)
+- [update_display()](https://docs.sparkfun.com/qwiic_alphanumeric_py/classqwiic__alphanumeric_1_1_qwiic_alphanumeric.html#adaa07a72b027a94dff73b75bea491eae)
+
 
 ## Qwiic Alphanumeric Ex03 Print Char
 This example tests illuminating a whole character on the 14-segment display.
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+
+The key methods showcased by this example are: 
+- [print_char()](https://docs.sparkfun.com/qwiic_alphanumeric_py/classqwiic__alphanumeric_1_1_qwiic_alphanumeric.html#aa69cf5d994454993d1de69ad109773b2)
 
 ## Qwiic Alphanumeric Ex04 Set Brightness
 This example sets the brightness of the Qwiic Alphanumeric display.
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+
+The key methods showcased by this example are: 
+- [set_brightness()](https://docs.sparkfun.com/qwiic_alphanumeric_py/classqwiic__alphanumeric_1_1_qwiic_alphanumeric.html#ac76307a2ce343f33fbb081fb6e79deaa)
 
 ## Qwiic Alphanumeric Ex05 Set Blink Rate
 This example sets the blink rate of the display.
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+
+The key methods showcased by this example are: 
+- [set_blink_rate()](https://docs.sparkfun.com/qwiic_alphanumeric_py/classqwiic__alphanumeric_1_1_qwiic_alphanumeric.html#a3dd5d0256707dd2e47f46fbd7cb8d483)
 
 ## Qwiic Alphanumeric Ex06 Colon And Decimal
 This example tests the library's response to printing colons or decimal points.
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 ## Qwiic Alphanumeric Ex07 Unknown Char
 This example demonstrates what the library does when the user tries to 
  print an unknown character.
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 ## Qwiic Alphanumeric Ex08 Multi Display
 This example demonstrates how to connect multiple displays to the bus
  to print longer strings.
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+
+The key methods showcased by this example are: 
+- [set_brightness()](https://docs.sparkfun.com/qwiic_alphanumeric_py/classqwiic__alphanumeric_1_1_qwiic_alphanumeric.html#ac76307a2ce343f33fbb081fb6e79deaa)
 
 ## Qwiic Alphanumeric Ex09 Scrolling String
 This example tests the scrolling functionality of the display.
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+The key methods showcased by this example are: 
+- [shift_left()](https://docs.sparkfun.com/qwiic_alphanumeric_py/classqwiic__alphanumeric_1_1_qwiic_alphanumeric.html#af8c2ce0cbca070fe7d133b3a1078429b)