[Keyboard] handwired/ortho60 Configurator update, readme update, and rules tidy (#4877)
* handwired/ortho60: Configurator update
- correct labels for Up and Right keys
- add layout data for LAYOUT_1x2uC
* handwired/ortho60: readme update
- update readme file to use QMK template
* handwired/ortho60: deleted DEFAULT_FOLDER rule
Not needed as the keyboard currently has no revisions.
Make example for this keyboard (after setting up your build environment):
make handwired/ortho60:default
See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).