context_processors: Enable platform detection in templates.
context_processors: Enable platform detection in templates.

This enables the ability to detect the platform in a template.

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