Input implementation progress

docs_md/changelog.md

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+Druid 0.3.0:
+
+- Add swipe basic component
+	- Swipe component handle simple swipe gestures on node. It has single callback with direction on swipe. You can adjust a several parameters of swipe in druid style.
+
+- Add input basic component
+	- Input component handle user text input. Input contains from button and text component. Button needed for selecting input field
+
+- Add button on_click_outside event. You can subscribe on this event in button. Was needed for Input component (click outside to deselect input field).
+
+- Changed input binding settings. Add backspace, enter, text and marked_text. Backspace now is different from android back button.
+
+- Add several examples to druid-assets