Update cheatsheets

tldr/sfdk-config

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# sfdk config
+
+> Configures sfdk.
+> More information: <https://docs.sailfishos.org/Develop/Apps/Tutorials/Building_packages_-_advanced_techniques/>.
+
+- Show configuration in all scopes:
+
+`sfdk config --show`
+
+- Set a configuration value:
+
+`sfdk config {{name}}={{value}}`
+
+- Mask an option as empty:
+
+`sfdk config {{name}}=`
+
+- Mask an option as empty without pushing it at the inner scope:
+
+`sfdk config {{name}}`
+
+- Clear option value:
+
+`sfdk --drop {{name}}`
+
+- Run subcommand in specified scope (`global`, `session` or `command`):
+
+`sfdk config --{{scope}} {{subcommand}}`