pkg/tool: generate package documentation

Fixes #39

Change-Id: I3acc6bd67a8012dd8a33819d153ee5c97342faa5
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/1926
Reviewed-by: Marcel van Lohuizen <mpvl@google.com>
diff --git a/pkg/tool/http/doc.go b/pkg/tool/http/doc.go
new file mode 100644
index 0000000..5827610
--- /dev/null
+++ b/pkg/tool/http/doc.go
@@ -0,0 +1,33 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+// Package http provides tasks related to the HTTP protocol.
+//
+// These are the supported tasks:
+//
+//     Get:    Do & {method: "GET"}
+//     Post:   Do & {method: "POST"}
+//     Put:    Do & {method: "PUT"}
+//     Delete: Do & {method: "DELETE"}
+//
+//     Do: {
+//     	kind: "tool/http.Do"
+//
+//     	method: string
+//     	url:    string // TODO: make url.URL type
+//
+//     	request: {
+//     		body: *bytes | string
+//     		header <Name>:  string | [...string]
+//     		trailer <Name>: string | [...string]
+//     	}
+//     	response: {
+//     		status:     string
+//     		statusCode: int
+//
+//     		body: *bytes | string
+//     		header <Name>:  string | [...string]
+//     		trailer <Name>: string | [...string]
+//     	}
+//     }
+//
+package http