docs/nut.dict: add opcodes

Signed-off-by: Jim Klimov <jimklimov+nut@gmail.com>

Author: jimklimov

docs/nut.dict

@@ -1,4 +1,4 @@
-personal_ws-1.1 en 3749 utf-8
+personal_ws-1.1 en 3751 utf-8
 AAC
 AAS
 ABI
@@ -2875,6 +2875,8 @@ onlinedischarge
 ont
 onwards
 ooce
+opcode
+opcodes
 openSUSE
 openSUSEBuildService
 opencollective