feat(examples): GnoFundMe Token v0

[MalekLahbib]

… as suggested by @moul

Contributors' checklist...

• Added new tests, or not needed, or not feasible
• Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
• Updated the official documentation or not needed
• No breaking changes were made, or a BREAKING CHANGE: xxx message was included in the description
• Added references to related issues and PRs
• Provided any useful hints for running manual tests
• Added new benchmarks to generated graphs, if any. More info here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.34%. Comparing base (d73b6c6) to head (42dc266).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2843   +/-   ##
=======================================
  Coverage   63.33%   63.34%           
=======================================
  Files         548      548           
  Lines       78680    78680           
=======================================
+ Hits        49835    49836    +1     
- Misses      25481    25482    +1     
+ Partials     3364     3362    -2     

Flag	Coverage Δ
contribs/gnodev	61.16% <ø> (ø)
contribs/gnofaucet	14.82% <ø> (ø)
gno.land	67.13% <ø> (ø)
gnovm	67.90% <ø> (ø)
misc/genstd	79.72% <ø> (ø)

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