Move all scripts to one location as one page per script (#4554)

source/_docs/tools/benchmark.markdown

@@ -0,0 +1,20 @@
+---
+layout: page
+title: "benchmark"
+description: "Script to perform benchmarking of Home Assistant"
+release_date: 2017-02-23 11:00:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+redirect_from: /docs/tools/scripts/#benchmark
+---
+
+For testing the performance of Home Assistant the Benchmark script runs until you exit using Control+C.
+
+Firing and handling of a million events.
+
+```bash
+$ hass --script benchmark async_million_events
+```
+