Remove legacy HTTP and websocket (#159)

examples/README.md

@@ -2,6 +2,15 @@
 
 The Toit examples are meant to get you started writing code for an ESP32.
 
+## Packages
+
+Some of the examples use other packages, e.g. HTTP. To run the examples you first need to run:
+
+```
+build/host/sdk/bin/toitpkg pkg install
+```
+
+in the examples/ folder.
 
 ## Licenses
 

examples/http.toit

@@ -7,16 +7,12 @@ import http
 
 main:
   network := net.open
-
+  client := http.Client network
   host := "www.google.com"
-  socket := network.tcp_connect host 80
-
-  connection := http.Connection socket host
-  request := connection.new_request "GET" "/"
-  response := request.send
+  response := client.get host "/"
 
   bytes := 0
-  while data := response.read:
+  while data := response.body.read:
     bytes += data.size
 
   print "Read $bytes bytes from http://$host/"

examples/package.lock

@@ -0,0 +1,7 @@
+prefixes:
+  http: pkg-http
+packages:
+  pkg-http:
+    url: github.com/toitlang/pkg-http
+    version: 1.4.1
+    hash: 37f35270669c3249f44a73ad9ea4ccfba7a02164

examples/package.yaml

@@ -0,0 +1,4 @@
+dependencies:
+  http:
+    url: github.com/toitlang/pkg-http
+    version: ^1.4.1