bump version

arduino-esp32 core 2.x => 3.x migration

Merge pull request #119 from chrisjoyce911/0.2.7

0.2.7

Merge pull request #117 from chrisjoyce911/0.2.6

0.2.6

Merge pull request #114 from chrisjoyce911/0.2.5

Compilation fix for Windows+Arduino IDE 2.0.1 (see #113)

Merge pull request #103 from chrisjoyce911/0.2.4

0.2.4

removed symlinks

Merge pull request #102 from chrisjoyce911/0.2.3

0.2.3

Merge pull request #97 from chrisjoyce911/0.2.2

0.2.2

v0.2.1 see #95 for details