Add color support for charts

reports.yml

@@ -27,6 +27,13 @@
     FROM logs
     GROUP BY cache_status
     ORDER BY value DESC
+  colors:
+    - "#3273dc"
+    - "#23d160"
+    - "#ffdd57"
+    - "#ff3860"
+    - "#7957d5"
+    - "#363636"
 
 - name: domain_traffic
   label: Top Domains
@@ -87,7 +94,7 @@
 
 - name: status_distribution
   label: HTTP Statuses
-  chart: stackedBar
+  chart: pie
   query: |
     SELECT CASE
              WHEN status BETWEEN 200 AND 299 THEN '2xx'
@@ -99,3 +106,8 @@
     FROM logs
     GROUP BY bucket
     ORDER BY bucket
+  colors:
+    - "#48c78e"
+    - "#209cee"
+    - "#ffdd57"
+    - "#f14668"