A schoolgirl will be clocking up the miles as she takes on a fundraising challenge followed by a fun day. Shyla Brown, nine, wanted to raise money to help her classmate at Peckover School in Wisbech and best friend, Harrison Dodkin. Harrison and his eldest brother Finley have both been diagnosed with Battens Disease, strand CLN3, a life-limiting and degenerative neurological disease that will not only take their sight, their memory, and their physical abilities but will also take them from their parents and middle brother Arthur too soon. The family has been running a Pedal4Memories appeal aim…