Update cheatsheets

tldr/helix

@@ -13,6 +13,14 @@ source: https://github.com/tldr-pages/tldr.git
 
 `helix {{path/to/file}}`
 
+- Open files and show them one next each other:
+
+`helix --vsplit {{path/to/file1 path/to/file2}}`
+
+- Show the tutorial to learn Helix (or access it within Helix by pressing `<Esc>` and typing `:tutor`):
+
+`helix --tutor`
+
 - Change the Helix theme:
 
 `:theme {{theme_name}}`
@@ -32,7 +40,3 @@ source: https://github.com/tldr-pages/tldr.git
 - Search for a pattern in the file (press `n`/`N` to go to next/previous match):
 
 `/{{search_pattern}}<Enter>`
-
-- Format the file:
-
-`:format`

tldr/pulumi-logout

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pulumi logout
+
+> Log out of the Pulumi cloud.
+> More information: <https://www.pulumi.com/docs/cli/commands/pulumi_logout/>.
+
+- Log out of a specific cloud backend:
+
+`pulumi logout {{url}}`
+
+- Log out of all backends simultaneously:
+
+`pulumi logout --all`
+
+- Log out of using local mode:
+
+`pulumi logout {{-l|--local}}`
+
+- Display help:
+
+`pulumi logout {{-h|--help}}`