Update cheatsheets

tldr/git-sparse-checkout

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git sparse-checkout
+
+> Check out only part of a repository’s files instead of cloning or checking out everything.
+> More information: <https://manned.org/git-sparse-checkout>.
+
+- Enable sparse checkout:
+
+`git sparse-checkout init`
+
+- Disable sparse-checkout and restore full repository:
+
+`git sparse-checkout disable`
+
+- Specify which directories (or files) to include:
+
+`git sparse-checkout set {{path/to/directory}}`
+
+- Add more paths later:
+
+`git sparse-checkout add {{path/to/directory}}`