Add more libraries to Adafruit Blinka statistics

[dhalbert]

The statistics for the Blinka "project" only include changes to the adafruit-blinka library. Add more blinka-related libraries to this set, including (I think).

• https://github.com/adafruit/Adafruit_Blinka_bleio
• https://github.com/adafruit/Adafruit_Blinka_Displayio
• https://github.com/adafruit/Adafruit_Python_PlatformDetect
• https://github.com/adafruit/Adafruit_Python_PureIO
• https://github.com/adafruit/Adafruit_Blinka_PyPortal
• https://github.com/adafruit/Adafruit_Python_Extended_Bus

@makermelissa Please edit this list, issue, or title as needed. Thanks.

[makermelissa]

I made mention of this back in December at #119 (comment)