add/modify functions to retrieve options for org file
add two variables for category configuration
merge newest changes
split the mustache template
add README for theme gray, now it is out of date
fix a typo
correct the uri of index page
update template, change mustache variable names, make them consistent with elisp variables
update template, change mustache variable names, make them consistent with elisp variables
add more options to op/get-org-file-options
refine the evaluation expression
update publication process
fix issue, do not quote function variable that will be invoked by funcall
add op/rearrange-category-sorted, for posts sorting
update op/generate-default-index
add missing properties for op/generate-default-index
add default index template for theme mdo
update op/generate-default-about
add mustache path
make sure the directory is created before writing contents into it