antibody: add page (#6900)

pages/common/antibody.md

@@ -0,0 +1,16 @@
+# antibody
+
+> The fastest shell plugin manager.
+> More information: <https://getantibody.github.io>.
+
+- Bundle all plugins for static loading:
+
+`antibody bundle < {{~/.zsh_plugins.txt}} > {{~/.zsh_plugins.sh}}`
+
+- Update all bundles:
+
+`antibody update`
+
+- List all installed plugins:
+
+`antibody list`