Add json content type

lovebird.lua

@@ -614,7 +614,12 @@ function lovebird.onrequest(req, client)
   local str
   xpcall(function()
     local data = lovebird.pages[page](lovebird, req)
+    local contenttype = "text/html"
+    if string.match(page, "%.json$") then
+      contenttype = "application/json"
+    end
     str = "HTTP/1.1 200 OK\r\n" ..
+          "Content-Type: " .. contenttype .. "\r\n" ..
           "Content-Length: " .. #data .. "\r\n" ..
           "\r\n" .. data
   end, lovebird.onerror)

main.lua

@@ -0,0 +1,5 @@
+lovebird = require "lovebird"
+
+function love.update()
+    lovebird.update()
+end