Add PostHog back in

Author: jericson

_includes/custom-head.html

@@ -0,0 +1,15 @@
+{% comment %}
+  Placeholder to allow defining custom head, in principle, you can add anything here, e.g. favicons:
+
+  1. Head over to https://realfavicongenerator.net/ to add your own favicons.
+  2. Customize default _includes/custom-head.html in your source directory and insert the given code snippet.
+{% endcomment %}
+
+<script>
+    !function(t,e){var o,n,p,r;e.__SV||(window.posthog=e,e._i=[],e.init=function(i,s,a){function g(t,e){var o=e.split(".");2==o.length&&(t=t[o[0]],e=o[1]),t[e]=function(){t.push([e].concat(Array.prototype.slice.call(arguments,0)))}}(p=t.createElement("script")).type="text/javascript",p.crossOrigin="anonymous",p.async=!0,p.src=s.api_host.replace(".i.posthog.com","-assets.i.posthog.com")+"/static/array.js",(r=t.getElementsByTagName("script")[0]).parentNode.insertBefore(p,r);var u=e;for(void 0!==a?u=e[a]=[]:a="posthog",u.people=u.people||[],u.toString=function(t){var e="posthog";return"posthog"!==a&&(e+="."+a),t||(e+=" (stub)"),e},u.people.toString=function(){return u.toString(1)+".people (stub)"},o="init Re Os As Pe Ms Fs capture Ve calculateEventProperties js register register_once register_for_session unregister unregister_for_session qs getFeatureFlag getFeatureFlagPayload isFeatureEnabled reloadFeatureFlags updateEarlyAccessFeatureEnrollment getEarlyAccessFeatures on onFeatureFlags onSurveysLoaded onSessionId getSurveys getActiveMatchingSurveys renderSurvey canRenderSurvey canRenderSurveyAsync identify setPersonProperties group resetGroups setPersonPropertiesForFlags resetPersonPropertiesForFlags setGroupPropertiesForFlags resetGroupPropertiesForFlags reset get_distinct_id getGroups get_session_id get_session_replay_url alias set_config startSessionRecording stopSessionRecording sessionRecordingStarted captureException loadToolbar get_property getSessionProperty zs Ls createPersonProfile Us Rs Bs opt_in_capturing opt_out_capturing has_opted_in_capturing has_opted_out_capturing clear_opt_in_out_capturing Ds debug I Ns getPageViewId captureTraceFeedback captureTraceMetric".split(" "),n=0;n<o.length;n++)g(u,o[n]);e._i.push([i,s,a])},e.__SV=1)}(document,window.posthog||[]);
+    posthog.init('phc_vcwHjbShJA7rRwJaZ3xeOj39VLoygyHslsP2YIsPRUg', {
+        api_host: 'https://us.i.posthog.com',
+        defaults: '2025-05-24',
+        person_profiles: 'identified_only', // or 'always' to create profiles for anonymous users as well
+    })
+</script>