gt: add page (#7926)

* gt: add page

graphite.dev

* gt: fix review suggestions

Co-authored-by: Axel Navarro <navarroaxel@gmail.com>

* gt: fix commands to longhand, explain auth better

* gt: fix typos

* Update pages/common/gt.md

Co-authored-by: Emily Grace Seville <emilyseville7cf@gmail.com>
Co-authored-by: CleanMachine1 <78213164+CleanMachine1@users.noreply.github.com>

Co-authored-by: Axel Navarro <navarroaxel@gmail.com>
Co-authored-by: Emily Grace Seville <emilyseville7cf@gmail.com>
Co-authored-by: CleanMachine1 <78213164+CleanMachine1@users.noreply.github.com>

pages/common/gt.md

@@ -0,0 +1,32 @@
+# gt
+
+> Create and manage sequences of dependent code changes (stacks) for Git and GitHub.
+> More information: <https://docs.graphite.dev>.
+
+- Authenticate the CLI with Graphite's API:
+
+`gt auth --token {{graphite_cli_auth_token}}`
+
+- Initialise `gt` for the repository in the current directory:
+
+`gt repo init`
+
+- Create a new branch stacked on top of the current branch and commit staged changes:
+
+`gt branch create {{branch_name}}`
+
+- Create a new commit and fix upstack branches:
+
+`gt commit create -m {{commit_message}}`
+
+- Force push all branches in the current stack to GitHub and create or update PRs:
+
+`gt stack submit`
+
+- Log all tracked stacks:
+
+`gt log short`
+
+- Print help for a specified subcommand:
+
+`gt {{subcommand}} --help`