Ux/54 help (#88)

* ux/54-help tooltips
* ux/54-help refetch after mutation
* ux/54-help broadcast event index
* ux/54-help prevent multiple keypresses when key held
* ux/54-help fat clock
* ux/54-help progress bar user defined
* ux/54-help onAir is button
* ux/54-help OSC: add missing presenter message
* ux/54-help OSC: enable / disable OSC
* ux/54-help handle timezone in excel date import
* ux/54-help tray left click to show app
* ux/54-help create queriable endpoint
* ux/54-help fix memoisation in lower thirds
* ux/54-help revise icons
* ux/54-help clarify text
* ux/54-help forgiving text parsing
* ux/54-help add smart keywords
* ux/54-help version bump

.eslintrc

@@ -9,5 +9,26 @@
   "extends": [
     "eslint:recommended"
   ],
-  "rules": {}
+  "rules": {
+    // disallow certain object properties
+    // https://eslint.org/docs/rules/no-restricted-properties
+    "no-restricted-properties": [
+      "error",
+      {
+        "object": "global",
+        "property": "isNaN",
+        "message": "Please use Number.isNaN instead"
+      },
+      {
+        "object": "self",
+        "property": "isNaN",
+        "message": "Please use Number.isNaN instead"
+      },
+      {
+        "object": "window",
+        "property": "isNaN",
+        "message": "Please use Number.isNaN instead"
+      }
+    ]
+  }
 }