zotero: add page (#10367)

* zotero: add page

* Apply suggestions

---------

Co-authored-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/zotero.md

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+# zotero
+
+> Manage your bibliographies.
+> More information: <https://www.zotero.org/support>.
+
+- Run with the GUI:
+
+`zotero`
+
+- Run in headless mode:
+
+`zotero --headless`
+
+- Run with a specific profile:
+
+`zotero -P {{profile}}`
+
+- Run the Migration Assistant:
+
+`zotero --migration`