feat: add support for deb templates

[vandot]

Add support for templates file inside DEBIAN that is needed for debconf to be able to ask question user during installation. More on subject here and here

[vercel]

This pull request is being automatically deployed with Vercel (learn more).
To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/goreleaser/nfpm/hgavie8cj
✅ Preview: https://nfpm-git-master.goreleaser.vercel.app

[djgilcrease]

Is there a reason this cannot just be handled with the normal files process?

[vandot]

@djgilcrease templates file needs to be inside DEBIAN folder, maybe I missed something but with files and conffiles files can be only placed in relative installation path outside DEBIAN folder

[codecov]

Codecov Report

Merging #240 into master will increase coverage by 0.52%.
The diff coverage is 96.15%.

@@            Coverage Diff             @@
##           master     #240      +/-   ##
==========================================
+ Coverage   66.33%   66.86%   +0.52%     
==========================================
  Files           9        9              
  Lines        1007     1023      +16     
==========================================
+ Hits          668      684      +16     
  Misses        204      204              
  Partials      135      135              

Impacted Files	Coverage Δ
nfpm.go	78.04% <ø> (ø)
deb/deb.go	68.56% <96.15%> (+1.77%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0e2c284...60561b3. Read the comment docs.

[djgilcrease]

LGTM

[caarlos0]

can you add it to the docs too?

other than that LGTM

[vandot]

Done, added to the docs.

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.