Updated UK data source

src/cases/uk.json

@@ -1,5 +1,5 @@
 {
-  "source": "https://www.arcgis.com/apps/opsdashboard/index.html#/f94c3c90da5b4e9f9a0b19484dd4bb14",
+  "source": "https://en.wikipedia.org/wiki/2020_coronavirus_pandemic_in_the_United_Kingdom",
   "dailyCases": [
     ["2020-01-31", 2],
     ["2020-02-06", 1],
@@ -20,7 +20,8 @@
     ["2020-03-09", 50],
     ["2020-03-10", 52],
     ["2020-03-11", 83],
-    ["2020-03-12", 139],
-    ["2020-03-13", 207]
+    ["2020-03-12", 134],
+    ["2020-03-13", 208],
+    ["2020-03-14", 342]
   ]
 }