docs: Fix header structure in bots-guide.md.
docs: Fix header structure in bots-guide.md.

showell/zulip,rishig/zulip,punchagan/zulip,Galexrt/zulip,amanharitsh123/zulip,timabbott/zulip,rishig/zulip,tommyip/zulip,synicalsyntax/zulip,hackerkid/zulip,showell/zulip,zulip/zulip,eeshangarg/zulip,verma-varsha/zulip,jackrzhang/zulip,timabbott/zulip,shubhamdhama/zulip,showell/zulip,dhcrzf/zulip,kou/zulip,hackerkid/zulip,synicalsyntax/zulip,brockwhittaker/zulip,rishig/zulip,timabbott/zulip,zulip/zulip,rht/zulip,vabs22/zulip,eeshangarg/zulip,jrowan/zulip,punchagan/zulip,Galexrt/zulip,brockwhittaker/zulip,synicalsyntax/zulip,amanharitsh123/zulip,shubhamdhama/zulip,punchagan/zulip,amanharitsh123/zulip,zulip/zulip,tommyip/zulip,andersk/zulip,timabbott/zulip,synicalsyntax/zulip,Galexrt/zulip,Galexrt/zulip,brainwane/zulip,rishig/zulip,zulip/zulip,mahim97/zulip,brainwane/zulip,andersk/zulip,vabs22/zulip,synicalsyntax/zulip,verma-varsha/zulip,tommyip/zulip,zulip/zulip,eeshangarg/zulip,rht/zulip,shubhamdhama/zulip,mahim97/zulip,jackrzhang/zulip,Galexrt/zulip,showell/zulip,shubhamdhama/zulip,rht/zulip,vabs22/zulip,brainwane/zulip,dhcrzf/zulip,synicalsyntax/zulip,verma-varsha/zulip,tommyip/zulip,brockwhittaker/zulip,mahim97/zulip,jrowan/zulip,hackerkid/zulip,brainwane/zulip,verma-varsha/zulip,eeshangarg/zulip,kou/zulip,shubhamdhama/zulip,andersk/zulip,jrowan/zulip,timabbott/zulip,dhcrzf/zulip,eeshangarg/zulip,jrowan/zulip,mahim97/zulip,andersk/zulip,vaidap/zulip,dhcrzf/zulip,eeshangarg/zulip,tommyip/zulip,hackerkid/zulip,jackrzhang/zulip,verma-varsha/zulip,shubhamdhama/zulip,jrowan/zulip,rht/zulip,vaidap/zulip,jackrzhang/zulip,verma-varsha/zulip,showell/zulip,mahim97/zulip,kou/zulip,eeshangarg/zulip,brockwhittaker/zulip,rht/zulip,brockwhittaker/zulip,jackrzhang/zulip,timabbott/zulip,tommyip/zulip,shubhamdhama/zulip,Galexrt/zulip,andersk/zulip,amanharitsh123/zulip,vabs22/zulip,Galexrt/zulip,rishig/zulip,jackrzhang/zulip,brainwane/zulip,punchagan/zulip,dhcrzf/zulip,dhcrzf/zulip,kou/zulip,punchagan/zulip,vaidap/zulip,kou/zulip,jackrzhang/zulip,amanharitsh123/zulip,amanharitsh123/zulip,zulip/zulip,rishig/zulip,hackerkid/zulip,vaidap/zulip,dhcrzf/zulip,punchagan/zulip,zulip/zulip,hackerkid/zulip,brainwane/zulip,punchagan/zulip,rht/zulip,brockwhittaker/zulip,rishig/zulip,kou/zulip,vabs22/zulip,andersk/zulip,vaidap/zulip,tommyip/zulip,hackerkid/zulip,timabbott/zulip,brainwane/zulip,mahim97/zulip,showell/zulip,vabs22/zulip,synicalsyntax/zulip,jrowan/zulip,rht/zulip,kou/zulip,showell/zulip,vaidap/zulip,andersk/zulip