gibo: add page (#2381)

pages/common/gibo.md

@@ -0,0 +1,23 @@
+# gibo
+
+> Fetch gitignore boilerplates.
+
+- List available boilerplates:
+
+`gibo list`
+
+- Write a boilerplate to stdout:
+
+`gibo dump {{boilerplate}}`
+
+- Write a boilerplate to .gitignore:
+
+`gibo dump {{boilerplate}} >>{{.gitignore}}`
+
+- Search for boilerplates containing a given string:
+
+`gibo search {{string}}`
+
+- Update available local boilerplates:
+
+`gibo update`