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Renaming index
Adding template layout.
Removing some files.
Revert "Adding template layout."

This reverts commit 6cca93ccc4a7acdc789ec0293d62ac78b23a1d84.
Revert "Renaming index"

This reverts commit c541af710c2f5cbcc98f3f8d23c47e9d1c569b02.
Removing index.html
Adding src/docs tree.
First-draft main documentation.