integration docs: Fix broken desk.com markdown.
integration docs: Fix broken desk.com markdown.

zulip/zulip,showell/zulip,eeshangarg/zulip,brainwane/zulip,brainwane/zulip,eeshangarg/zulip,rht/zulip,mahim97/zulip,andersk/zulip,shubhamdhama/zulip,zulip/zulip,mahim97/zulip,andersk/zulip,mahim97/zulip,hackerkid/zulip,mahim97/zulip,hackerkid/zulip,timabbott/zulip,eeshangarg/zulip,dhcrzf/zulip,andersk/zulip,eeshangarg/zulip,dhcrzf/zulip,andersk/zulip,dhcrzf/zulip,jackrzhang/zulip,punchagan/zulip,eeshangarg/zulip,zulip/zulip,rht/zulip,jackrzhang/zulip,brainwane/zulip,eeshangarg/zulip,tommyip/zulip,mahim97/zulip,kou/zulip,rishig/zulip,kou/zulip,andersk/zulip,rishig/zulip,synicalsyntax/zulip,andersk/zulip,rht/zulip,jackrzhang/zulip,dhcrzf/zulip,mahim97/zulip,showell/zulip,timabbott/zulip,synicalsyntax/zulip,dhcrzf/zulip,synicalsyntax/zulip,shubhamdhama/zulip,rht/zulip,rht/zulip,jackrzhang/zulip,dhcrzf/zulip,kou/zulip,shubhamdhama/zulip,tommyip/zulip,eeshangarg/zulip,hackerkid/zulip,synicalsyntax/zulip,timabbott/zulip,rishig/zulip,rht/zulip,jackrzhang/zulip,timabbott/zulip,rht/zulip,punchagan/zulip,tommyip/zulip,showell/zulip,rishig/zulip,brainwane/zulip,jackrzhang/zulip,brainwane/zulip,timabbott/zulip,hackerkid/zulip,hackerkid/zulip,brainwane/zulip,andersk/zulip,kou/zulip,jackrzhang/zulip,timabbott/zulip,shubhamdhama/zulip,shubhamdhama/zulip,kou/zulip,showell/zulip,kou/zulip,rishig/zulip,dhcrzf/zulip,zulip/zulip,punchagan/zulip,showell/zulip,timabbott/zulip,showell/zulip,hackerkid/zulip,shubhamdhama/zulip,kou/zulip,tommyip/zulip,tommyip/zulip,showell/zulip,tommyip/zulip,zulip/zulip,tommyip/zulip,punchagan/zulip,brainwane/zulip,punchagan/zulip,synicalsyntax/zulip,punchagan/zulip,punchagan/zulip,hackerkid/zulip,shubhamdhama/zulip,synicalsyntax/zulip,rishig/zulip,rishig/zulip,zulip/zulip,zulip/zulip,synicalsyntax/zulip