Improve global project (typos, enforce 80 columns whenever possible, diagrams) and finish 3.1

1 files changed, 611 insertions, 0 deletions

diff --git a/pictures/db-25-connector-cutout.svg b/pictures/db-25-connector-cutout.svg
new file mode 100644
index 0000000..2174c9e
--- /dev/null
+++ b/pictures/db-25-connector-cutout.svg
@@ -0,0 +1,611 @@
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