Add optional character OLED support#2
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Added information about character OLED support and usage.
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Some HDD44780-style character OLEDs need longer initialization timings upon a system reset.
Certain modules will display garbage characters or swap character lines due to the memory not clearing or initialization glitches.
This change adds in enableOledMode for compatibility.
enableOledMode(bool enable, bool hardClearOnInit)
When enabled the library:
This mode is disabled by default and doesn't affect regular LCD behavior
This has been tested with: