[SE-231] Adding markdown documentation for events api

Author: sstaley-sparkpost

docs/resources/events.md

@@ -0,0 +1,24 @@
+# Events
+
+This library provides easy access to the [Events](https://developers.sparkpost.com/api/events) resource.
+
+*Note: All methods return promises and accept an optional last argument callback. [Read about how we handle callbacks and promises](/docs/async.md).*
+
+## Methods
+* **searchMessage([params, callback])**<br />
+  Search for events of type message using the given parameters (NOTE: all params are optional):
+  * `params` - a hash of [Events URI Parameters](https://developers.sparkpost.com/api/events.html#events-get-search-for-message-events)
+
+## Date/Time Parameter Format
+
+The `from` and `to` search parameters accept date stamps of the form:
+
+  `YYYY-MM-DDTHH:MM`
+
+For example: `2016-11-14T16:15`.
+
+Note: timestamps are expressed in the timezone specified by the `timezone` parameter or UTC by default.
+
+## Examples
+
+Visit our examples section to see all of [our events resource examples](/examples/events).