Add scripts editor backend (#8993)

* Add scripts editor backend

* Fix docstrings

homeassistant/components/config/script.py

@@ -0,0 +1,19 @@
+"""Provide configuration end points for scripts."""
+import asyncio
+
+from homeassistant.components.config import EditKeyBasedConfigView
+from homeassistant.components.script import SCRIPT_ENTRY_SCHEMA, async_reload
+import homeassistant.helpers.config_validation as cv
+
+
+CONFIG_PATH = 'scripts.yaml'
+
+
+@asyncio.coroutine
+def async_setup(hass):
+    """Set up the script config API."""
+    hass.http.register_view(EditKeyBasedConfigView(
+        'script', 'config', CONFIG_PATH, cv.slug, SCRIPT_ENTRY_SCHEMA,
+        post_write_hook=async_reload
+    ))
+    return True