Add sample code

examples/multi-post.jl

@@ -0,0 +1,24 @@
+using CurlHTTP
+
+const colors = [:light_red, :light_green, :light_yellow]
+function make_handler(i::Int)
+    return ch -> Base.printstyled("Handle $i: ", String(take!(ch)), "\n"; color=colors[i])
+end
+
+pool = map(1:3) do i
+    curl = CurlEasy(url="https://postman-echo.com/post?val=$i", method=CurlHTTP.POST)
+    requestBody = """{"testName":"test_multiPOST","value":$i}"""
+
+    curl.userdata[:index]   = i             # userdata is a Dict to store anything you want
+    curl.userdata[:channel] = Channel(make_handler(i), Inf)
+
+    CurlHTTP.curl_setup_request(curl, requestBody, ["Content-Type: application/json"];
+        data_channel = curl.userdata[:channel]
+    )
+    return curl
+end
+
+# Set up tasks to handle the data channels before calling curl_execute
+
+multi = CurlMulti(pool)
+res = curl_execute(multi)

examples/simple-get.jl

@@ -0,0 +1,23 @@
+using CurlHTTP
+
+const NoBody = ""
+
+curl = CurlEasy(
+    url="https://postman-echo.com/get?foo=bar&baz=zod",
+    method=CurlHTTP.GET,
+)
+
+databuffer = UInt8[]
+
+res, http_status, errormessage = curl_execute(curl, NoBody, ["X-Custom-Header: ding"]) do d
+    append!(databuffer, d)
+end
+
+data = JSON3.read(databuffer, Dict{String, Any})
+
+
+# We can reuse this connection
+res, http_status, errormessage = curl_execute(curl, NoBody, ["X-Custom-Header: ding2"]; url="https://postman-echo.com/get?foo=bear&baz=zeroed")
+data = JSON3.read(curl.userdata[:databuffer], Dict{String, Any})
+
+curl_cleanup(curl)  # Optional - will run on finalizer