Update cheatsheets

rustic

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# rustic
+
+> Create fast, encrypted, deduplicated backups powered by Rust.
+> More information: <https://github.com/rustic-rs/rustic>.
+
+- Initialize a new repository:
+
+`rustic init --repository {{/srv/rustic-repo}}`
+
+- Create a new backup of a file/directory to a repository:
+
+`rustic backup --repository {{/srv/rustic-repo}} {{path/to/file_or_directory}}`