Promote pygamer to Tier 1

* Adds all examples to Cargo.toml per best practice.

boards/pygamer/Cargo.toml

@@ -57,6 +57,33 @@ usb = ["atsamd-hal/usb", "usb-device"]
 [package.metadata]
 chip = "ATSAMD51J19A"
 
+[[example]]
+name = "blinky_basic"
+
+[[example]]
+name = "button_rtic"
+
+[[example]]
+name = "clock_out"
+
+[[example]]
+name = "ferris_img"
+
+[[example]]
+name = "pwm_tc4"
+
+[[example]]
+name = "pwm_tcc0"
+
+[[example]]
+name = "qspi"
+
+[[example]]
+name = "sd_card"
+
+[[example]]
+name = "timer"
+
 [[example]]
 name = "usb_poll"
 required-features = ["usb"]