bob: add page (#10130)

* bob: add page

---------

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/bob.md

@@ -0,0 +1,24 @@
+# bob
+
+> Manage and switch between Neovim versions.
+> More information: <https://github.com/MordechaiHadad/bob>.
+
+- Install and switch to the specified version of Neovim:
+
+`bob use {{nightly|stable|latest|version_string|commit_hash}}`
+
+- List installed and currently used versions of Neovim:
+
+`bob list`
+
+- Uninstall the specified version of Neovim:
+
+`bob uninstall {{nightly|stable|latest|version_string|commit_hash}}`
+
+- Uninstall Neovim and erase any changes `bob` has made:
+
+`bob erase`
+
+- Roll back to a previous nightly version:
+
+`bob rollback`