Merge pull request 'created doc/talks subfolder and added my talk and the previous one done at the wide team' (#67) from talks into main

Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/67

2 files changed, 1157 insertions, 0 deletions

diff --git a/doc/talks/2021-04-28_spirals-team/figures/svg/conflict.svg b/doc/talks/2021-04-28_spirals-team/figures/svg/conflict.svg
new file mode 100644
index 00000000..1c39af9f
--- /dev/null
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new file mode 100644
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