Update cheatsheets

tldr/linux/factorio

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# factorio
+
+> Create and start a headless Factorio server.
+> More information: <https://wiki.factorio.com/Multiplayer>.
+
+- Create a new save file:
+
+`{{path/to/factorio}} --create {{path/to/save_file.zip}}`
+
+- Start a Factorio server:
+
+`{{path/to/factorio}} --start-server {{path/to/save_file.zip}}`