webpack: Add support for png file imports in file-loader.
webpack: Add support for png file imports in file-loader.

Adds support for importing png files using file-loader in webpack.
Changes the name of the output directory to be files instead of
fonts for better readability.

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