added conda bit in tutorial

Author: phobson

docs/tutorial/getting_started.ipynb

@@ -7,6 +7,13 @@
     "# Getting started with `mpl-probscale`.\n",
     "\n",
     "## Installation\n",
+    "\n",
+    "### From `conda`\n",
+    "I've uploaded the package to my anaonda channel.\n",
+    "\n",
+    "`conda install --channel=phobson mpl-probscale`\n",
+    "\n",
+    "### From source\n",
     "`mpl-probscale` is a pure python package. It should be fairly trivial to install from source on any platform. To do that, download or clone from [github](https://github.com/phobson/mpl-probscale), unzip the archive if necessary then do:\n",
     "\n",
     "```\n",