docs: Update import instructions in export-and-import.
docs: Update import instructions in export-and-import.

hackerkid/zulip,rht/zulip,shubhamdhama/zulip,punchagan/zulip,zulip/zulip,eeshangarg/zulip,rishig/zulip,kou/zulip,brainwane/zulip,jackrzhang/zulip,hackerkid/zulip,tommyip/zulip,kou/zulip,showell/zulip,rht/zulip,brainwane/zulip,dhcrzf/zulip,eeshangarg/zulip,synicalsyntax/zulip,zulip/zulip,hackerkid/zulip,showell/zulip,kou/zulip,eeshangarg/zulip,tommyip/zulip,dhcrzf/zulip,hackerkid/zulip,showell/zulip,rht/zulip,brainwane/zulip,rht/zulip,zulip/zulip,dhcrzf/zulip,synicalsyntax/zulip,shubhamdhama/zulip,timabbott/zulip,rishig/zulip,timabbott/zulip,rishig/zulip,brainwane/zulip,brainwane/zulip,hackerkid/zulip,andersk/zulip,jackrzhang/zulip,brainwane/zulip,rht/zulip,rht/zulip,jackrzhang/zulip,shubhamdhama/zulip,showell/zulip,rishig/zulip,timabbott/zulip,zulip/zulip,andersk/zulip,timabbott/zulip,punchagan/zulip,timabbott/zulip,kou/zulip,jackrzhang/zulip,hackerkid/zulip,synicalsyntax/zulip,punchagan/zulip,tommyip/zulip,tommyip/zulip,synicalsyntax/zulip,rht/zulip,shubhamdhama/zulip,andersk/zulip,andersk/zulip,rishig/zulip,andersk/zulip,andersk/zulip,andersk/zulip,showell/zulip,punchagan/zulip,brainwane/zulip,zulip/zulip,punchagan/zulip,showell/zulip,dhcrzf/zulip,dhcrzf/zulip,jackrzhang/zulip,eeshangarg/zulip,eeshangarg/zulip,shubhamdhama/zulip,timabbott/zulip,zulip/zulip,synicalsyntax/zulip,shubhamdhama/zulip,kou/zulip,timabbott/zulip,synicalsyntax/zulip,eeshangarg/zulip,zulip/zulip,jackrzhang/zulip,dhcrzf/zulip,synicalsyntax/zulip,rishig/zulip,hackerkid/zulip,jackrzhang/zulip,punchagan/zulip,shubhamdhama/zulip,tommyip/zulip,kou/zulip,punchagan/zulip,rishig/zulip,tommyip/zulip,eeshangarg/zulip,showell/zulip,kou/zulip,dhcrzf/zulip,tommyip/zulip