add eg cli commands in readme

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cuu 2021-08-18 20:23:24 +08:00
parent ec9598f841
commit 167edbd2f5

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# DevTerm Thermal printer
`echo -e “Hello DevTerm\n\n\n\n\n\n” > /tmp/DEVTERM_PRINTER_IN`
`cat xxx.txt > /tmp/DEVTERM_PRINTER_IN`
### Eos/Pos commands example