changed wording
remove klink and exts -> adding as subtree
Squashed 'docs/source/_themes/klink/' content from commit 8762bb9

git-subtree-dir: docs/source/_themes/klink
git-subtree-split: 8762bb9e6bc4773ff72322c55adada93c6d0c65f
Merge commit '74368261af9eb2b9f5a761c90ea8683b08c0f543' as 'docs/source/_themes/klink'
docs refactor