docs: Fix single-service deployment docs.
docs: Fix single-service deployment docs.

Apparently, the ordering matters.

This command now matches what we use for installing single-purpose
installations; I should have checked this directly.

timabbott/zulip,rht/zulip,hackerkid/zulip,kou/zulip,shubhamdhama/zulip,shubhamdhama/zulip,hackerkid/zulip,zulip/zulip,zulip/zulip,shubhamdhama/zulip,showell/zulip,zulip/zulip,shubhamdhama/zulip,synicalsyntax/zulip,showell/zulip,hackerkid/zulip,punchagan/zulip,hackerkid/zulip,kou/zulip,rht/zulip,kou/zulip,zulip/zulip,synicalsyntax/zulip,shubhamdhama/zulip,kou/zulip,zulip/zulip,eeshangarg/zulip,punchagan/zulip,hackerkid/zulip,zulip/zulip,eeshangarg/zulip,timabbott/zulip,andersk/zulip,showell/zulip,andersk/zulip,timabbott/zulip,andersk/zulip,rht/zulip,andersk/zulip,brainwane/zulip,timabbott/zulip,showell/zulip,rht/zulip,brainwane/zulip,brainwane/zulip,zulip/zulip,showell/zulip,synicalsyntax/zulip,rht/zulip,synicalsyntax/zulip,kou/zulip,kou/zulip,andersk/zulip,punchagan/zulip,shubhamdhama/zulip,rht/zulip,punchagan/zulip,brainwane/zulip,hackerkid/zulip,hackerkid/zulip,punchagan/zulip,eeshangarg/zulip,eeshangarg/zulip,kou/zulip,shubhamdhama/zulip,andersk/zulip,eeshangarg/zulip,punchagan/zulip,punchagan/zulip,timabbott/zulip,eeshangarg/zulip,synicalsyntax/zulip,andersk/zulip,brainwane/zulip,timabbott/zulip,showell/zulip,eeshangarg/zulip,brainwane/zulip,rht/zulip,synicalsyntax/zulip,timabbott/zulip,brainwane/zulip,synicalsyntax/zulip,showell/zulip