made the pack completely portable and wrote relevent bat files to go with it

gitportable/usr/share/nano/groff.nanorc

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+## Syntax highlighting for groff.
+
+## Original author:  Robert D. Goulding
+
+syntax groff "\.(me|mm|mom|ms|roff|tmac)$|/tmac\.[^/]+$"
+comment ".\""
+
+# The setting of a string or register
+color cyan "^\.(ds|nr) [^[:space:]]*"
+# Single-character escapes
+color brightmagenta "\\."
+# The argument of \f or \s in the same color
+color brightmagenta "\\f(.|\(..)|\\s(\+|\-)?[0-9]"
+# References to registers
+color cyan "\\(\\)?n(.|\(..)"
+color cyan start="\\(\\)?n\[" end="]"
+# Requests
+color brightgreen "^\.[[:blank:]]*[^[:space:]]*"
+# Comments
+color yellow "^\.\\".*"
+# References to strings
+color green "\\(\\)?\*(.|\(..)"
+color green start="\\(\\)?\*\[" end="]"
+# Special characters
+color brightred "\\\(.."
+color brightred start="\\\[" end="]"
+# Macro arguments
+color brightcyan "\\\\\$[1-9]"