Update README.md

README.md

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 # Polygonus
 Polygonus - PNP Proteus rusEFI 
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+Proteus based brain board to enable modular PNP 
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+In scope - 
+- Critical systems on the majority of PNP targets 
+- up to 8 cylinder capability built into the brainn board
+- Full feature set of the protues broken out to pins meaning vheicle board can add the additional circuits if required
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+Out of scope - 
+- Race cars and tuned cars with large ammounts of additinal equipment (that's for a wire in proteus or atlas) 
+- Non-standard engines in chassis 
+- Additional equipment beyond common mods to the chassis