feat: update template for django 3

[21adrian1996]

No description provided.

[rparent]

Thanks for the PR, looks good!

Seems to me that it would break support of django < 1.10 though. But I guess it is not worth maintaining the package for those old versions. Just need to update the README.

Making plugin translatable is also a good idea!

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@a0c7933). Click here to learn what that means.
The diff coverage is 66.66%.

@@            Coverage Diff            @@
##             master      #17   +/-   ##
=========================================
  Coverage          ?   86.46%           
=========================================
  Files             ?       16           
  Lines             ?      399           
  Branches          ?       25           
=========================================
  Hits              ?      345           
  Misses            ?       41           
  Partials          ?       13           

Impacted Files	Coverage Δ
lock_tokens/admin.py	76.47% <66.66%> (ø)

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[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (master@a0c7933). Click here to learn what that means.
The diff coverage is 66.66%.

❗ Current head f890b68 differs from pull request most recent head 1268d0e. Consider uploading reports for the commit 1268d0e to get more accurate results

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@@            Coverage Diff            @@
##             master      #17   +/-   ##
=========================================
  Coverage          ?   86.46%           
=========================================
  Files             ?       16           
  Lines             ?      399           
  Branches          ?       25           
=========================================
  Hits              ?      345           
  Misses            ?       41           
  Partials          ?       13           

Impacted Files	Coverage Δ
lock_tokens/admin.py	76.47% <66.66%> (ø)

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[nschlemm]

@rparent can you give us an update on integrating this please? thx!