io/input,io/router: [API] rename package io/router to io/input

The input name better matches its purpose, in particular when we
introduce input.Source.

Signed-off-by: Elias Naur <mail@eliasnaur.com>

io/input/clipboard.go

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Unlicense OR MIT
 
-package router
+package input
 
 import (
 	"gioui.org/io/event"

io/input/clipboard_test.go

@@ -1,4 +1,6 @@
-package router
+// SPDX-License-Identifier: Unlicense OR MIT
+
+package input
 
 import (
 	"testing"

io/input/key.go

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Unlicense OR MIT
 
-package router
+package input
 
 import (
 	"image"

io/input/key_test.go

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Unlicense OR MIT
 
-package router
+package input
 
 import (
 	"image"

io/input/pointer.go

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Unlicense OR MIT
 
-package router
+package input
 
 import (
 	"image"

io/input/pointer_test.go

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Unlicense OR MIT
 
-package router
+package input
 
 import (
 	"fmt"

io/input/router.go

@@ -1,14 +1,14 @@
 // SPDX-License-Identifier: Unlicense OR MIT
 
 /*
-Package router implements Router, a event.Queue implementation
-that that disambiguates and routes events to handlers declared
+Package input implements Router, an event.Queue implementation
+that disambiguates and routes events to handlers declared
 in operation lists.
 
 Router is used by app.Window and is otherwise only useful for
 using Gio with external window implementations.
 */
-package router
+package input
 
 import (
 	"encoding/binary"

io/input/semantic_test.go

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Unlicense OR MIT
 
-package router
+package input
 
 import (
 	"fmt"