Issue281 new default configs

[Didou09]

Main changes:

• Added backup npz containing approximate geometry of some other tokamaks
• Added default config for JET with associated vessel saved as txt

Issues:

Start addressing issue #281 (first step)

[pep8speaks]

Hello @Didou09! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file setup.py:

Line 31:5: E301 expected 1 blank line, found 0
Line 34:5: E301 expected 1 blank line, found 0
Line 52:1: E402 module level import not at top of file

[Didou09]

Not paying attention to PEP8 in setup.py because that file will probably change very soon after PR #275 and installation-pip-related issues

[codecov-io]

Codecov Report

Merging #282 into devel will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##            devel     #282      +/-   ##
==========================================
+ Coverage   41.46%   41.46%   +<.01%     
==========================================
  Files          79       79              
  Lines       23228    23229       +1     
==========================================
+ Hits         9632     9633       +1     
  Misses      13596    13596

Impacted Files	Coverage Δ
tofu/version.py	100% <100%> (ø)	⬆️
tofu/geom/utils.py	43.21% <100%> (+0.12%)	⬆️

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