Update Geometry course to Swift 5

Update Geometry couruse to Swift 5 and upload new Geometry template.  New cover art.

Author: dbbudd

.DS_Store

@@ -15,8 +15,8 @@
       "contentIdentifier": "io.github.dbbudd.Geometry",
       "contentVersion": "3.0",
       "url": "https://dbbudd.github.io/Geometry/Geometry.playgroundbook.zip",
-      "publishedDate": "2018-06-25T12:00:00+00:00",
-      "lastUpdatedDate": "2018-06-26T12:00:00+00:00",
+      "publishedDate": "2019-06-25T12:00:00+00:00",
+      "lastUpdatedDate": "2019-06-26T12:00:00+00:00",
       "bannerImageURL": "https://dbbudd.github.io/Geometry/banner_2x.png",
       "thumbnailURL": "https://dbbudd.github.io/Geometry/geometry_2x.png",
       "additionalInformation": [
@@ -31,6 +31,31 @@
         "https://dbbudd.github.io/Geometry/preview-3.png"
       ]
     },
+    {
+      "title": "Geometry Template",
+      "overviewSubtitle": "Students can create their own Geometry projects.",
+      "detailSubtitle": "Students can create their own Geometry projects.",
+      "description": "This template allows students to experiment and create their own Geometry projects.",
+      "difficultyLevel": "beginner",
+      "contentIdentifier": "io.github.dbbudd.GeometryTemplate",
+      "contentVersion": "3.0",
+      "url": "https://dbbudd.github.io/GeometryTemplate/GeometryTemplate.playgroundbook.zip",
+      "publishedDate": "2019-06-25T12:00:00+00:00",
+      "lastUpdatedDate": "2019-06-26T12:00:00+00:00",
+      "bannerImageURL": "https://dbbudd.github.io/GeometryTemplate/banner_2x.png",
+      "thumbnailURL": "https://dbbudd.github.io/GeometryTemplate/geometry_2x.png",
+      "additionalInformation": [
+        {
+          "name": "Languages",
+          "value": "English"
+        }
+      ],
+      "previewImageURLs": [
+        "https://dbbudd.github.io/GeometryTemplate/preview-1.png",
+        "https://dbbudd.github.io/GeometryTemplate/preview-2.png",
+        "https://dbbudd.github.io/GeometryTemplate/preview-3.png"
+      ]
+    },
     {
       "title": "Coding with mBot",
       "overviewSubtitle": "mBot with Swift Playgrounds",