Add support for dicts in array (rs#375)

Fixes rs#111.

array.go

@@ -231,3 +231,10 @@ func (a *Array) MACAddr(ha net.HardwareAddr) *Array {
 	a.buf = enc.AppendMACAddr(enc.AppendArrayDelim(a.buf), ha)
 	return a
 }
+
+// Dict adds the dict Event to the array
+func (a *Array) Dict(dict *Event) *Array {
+	dict.buf = enc.AppendEndMarker(dict.buf)
+	a.buf = append(enc.AppendArrayDelim(a.buf), dict.buf...)
+	return a
+}

array_test.go

@@ -27,8 +27,12 @@ func TestArray(t *testing.T) {
 		RawJSON([]byte(`{"some":"json"}`)).
 		Time(time.Time{}).
 		IPAddr(net.IP{192, 168, 0, 10}).
-		Dur(0)
-	want := `[true,1,2,3,4,5,6,7,8,9,10,11.98122,12.987654321,"a","b","1f",{"some":"json"},"0001-01-01T00:00:00Z","192.168.0.10",0]`
+		Dur(0).
+		Dict(Dict().
+			Str("bar", "baz").
+			Int("n", 1),
+		)
+	want := `[true,1,2,3,4,5,6,7,8,9,10,11.98122,12.987654321,"a","b","1f",{"some":"json"},"0001-01-01T00:00:00Z","192.168.0.10",0,{"bar":"baz","n":1}]`
 	if got := decodeObjectToStr(a.write([]byte{})); got != want {
 		t.Errorf("Array.write()\ngot:  %s\nwant: %s", got, want)
 	}

log_example_test.go

@@ -238,11 +238,15 @@ func ExampleEvent_Array() {
 		Str("foo", "bar").
 		Array("array", zerolog.Arr().
 			Str("baz").
-			Int(1),
+			Int(1).
+			Dict(zerolog.Dict().
+				Str("bar", "baz").
+				Int("n", 1),
+			),
 		).
 		Msg("hello world")
 
-	// Output: {"foo":"bar","array":["baz",1],"message":"hello world"}
+	// Output: {"foo":"bar","array":["baz",1,{"bar":"baz","n":1}],"message":"hello world"}
 }
 
 func ExampleEvent_Array_object() {