[CP-165] feat: add metrics for teach editor load time

config/metricConfigs/index.ts

@@ -1,5 +1,6 @@
 import learnMetrics from './learnMetrics';
 import skillAssessmentMetrics from './skillAssessmentMetrics';
 import workspaceMetrics from './workspaceMetrics'
+import teachMetrics from './teachMetrics';
 
-export default [...learnMetrics, ...skillAssessmentMetrics, ...workspaceMetrics];
+export default [...learnMetrics, ...skillAssessmentMetrics, ...workspaceMetrics, ...teachMetrics];

config/metricConfigs/teachMetrics.ts

@@ -0,0 +1,30 @@
+import { MetricsConfig } from "../../src/aggregators/util";
+
+const allowedMetrics: MetricsConfig = [
+  {
+    name: "te_editor_page_load_time",
+    help: "Measures the time to load the teach editor",
+    type: "histogram",
+    labels: [
+      {
+        name: "appName",
+        allowedValues: ["teach-editor"]
+      },
+      {
+        name: "contentType",
+        allowedValues: [
+          "course", 
+          "assessment",
+          "practice",
+        ]
+      },
+      {
+        name: "underThreshold",
+        allowedValues: ["true", "false"]
+      }
+    ],
+    protocol: "statsd"
+  },
+];
+
+export default allowedMetrics;