Contribution: DDC Headings template function

[isra00]

Hey folks, if you are like me trying to organize your Calibre library with the Dewey Decimal Classification system, you may find useful the Calibre template function I've written for myself: DDC_Headings is a small template function that displays the corresponding heading for DDC codes.

Get DDC Headings' function code here:
https://gist.github.com/isra00/829b1...d501244e541624

For getting DDC you can, of course, use DaltoST's Library Codes plug-in. This is how it looks like in my Calibre:

https://user-images.githubuserconten...b90fad59ec.png

https://user-images.githubuserconten...b65523850e.png

It does not include all the headings, but some 3000 of them. I've put the code in GitHub so if anyone wants to contribute with more headings, they may just fork the Gist and make a PR: https://gist.github.com/isra00/829b1...d501244e541624

I hope it's as useful for you as it has been for me!