Initial repository creation

Signed-off-by: Sylvain Munaut <[email protected]>

README.md

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+Doom classic port to lightweight RISC-V
+=======================================
+
+This is a port to try and make adapting/running doom to simple
+RISC-V platform easier with the code to adapt well split.
+
+A buildable original linux-x11 version will hopefully kept to be
+able to test things locally a bit easier.