Update cheatsheets

dolt-fetch

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# dolt fetch
+
+> Download objects and refs from another repository.
+> More information: <https://docs.dolthub.com/cli-reference/cli#dolt-fetch>.
+
+- Fetch the latest changes from the default remote upstream repository (origin):
+
+`dolt fetch`
+
+- Fetch latest changes from a specific remote upstream repository:
+
+`dolt fetch {{remote_name}}`
+
+- Update branches with the current state of the remote, overwriting any conflicting history:
+
+`dolt fetch -f`