Fix indentation style of omf.packages.new.fish

pkg/omf/functions/packages/omf.packages.new.fish

@@ -23,7 +23,7 @@ function __omf.packages.new.from_template -a path github user name
           echo (basename "$file")
         end
       end)
-	  set -l year (date +%Y)
+      set -l year (date +%Y)
       sed "s/{{USER_NAME}}/$user/;s/{{GITHUB_USER}}/$github/;s/{{NAME}}/$name/;s/{{YEAR}}/$year/" \
         $file > $target
       echo (omf::em)" create "(omf::off)" "(begin