Update cheatsheets

git-help

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git help
+
+> Display help information about Git.
+> More information: <https://git-scm.com/docs/git-help>.
+
+- Display help about a specific Git subcommand:
+
+`git help {{subcommand}}`
+
+- Display help about a specific Git subcommand in a web browser:
+
+`git help --web {{subcommand}}`
+
+- Display a list of all available Git subcommands:
+
+`git help --all`
+
+- List the available guides:
+
+`git help --guide`
+
+- List all possible configuration variables:
+
+`git help --config`