gh-config: add page (#4837)

pages/common/gh-config.md

@@ -0,0 +1,28 @@
+# gh config
+
+> Change configuration for GitHub cli.
+> More information: <https://cli.github.com/manual/gh_config>.
+
+- Display what Git protocol is being used:
+
+`gh config get git_protocol`
+
+- Set protocol to SSH:
+
+`gh config set git_protocol {{ssh}}`
+
+- Set text editor to Vim:
+
+`gh config set editor {{vim}}`
+
+- Reset to default text editor:
+
+`gh config set editor {{""}}`
+
+- Disable interactive prompts:
+
+`gh config set prompt {{disabled}}`
+
+- Set a specific configuration value:
+
+`gh config set {{key}} {{value}}`