Update cheatsheets

git-delta

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git delta
+
+> List files that differ from another branch.
+> Part of `git-extras`.
+> More information: <https://github.com/tj/git-extras/blob/master/Commands.md#git-delta>.
+
+- List files from the current checked out branch that differ from the `main` branch:
+
+`git delta {{main}}`
+
+- List files from a specific branch that differ from another specific branch:
+
+`git delta {{branch_1}} {{branch_2}}`