Update cheatsheets

tldr/sfdk-undeploy

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# sfdk undeploy
+
+> Undeploys build results from a device.
+> More information: <https://docs.sailfishos.org/Tools/Sailfish_SDK/Deploying_packages/>.
+
+- Undeploy using a specified method (`pkcon`, `rpm`, `rsync`, `sdk` or `zypper`):
+
+`sfdk undeploy --{{method}}`
+
+- Preview undeploy without applying the changes:
+
+`sfdk undeploy --{{method}} --dry-run`
+
+- Undeploy files in glob pattern `package*`:
+
+`sfdk undeploy --{{method}} "+package*"`
+
+- Undeploy all files excluding `ignore*`:
+
+`sfdk undeploy --{{method}} "-ignore*"`