posthog integration (cloud) (#1304)

apps/client/vite.config.ts

@@ -14,6 +14,8 @@ export default defineConfig(({ mode }) => {
     SUBDOMAIN_HOST,
     COLLAB_URL,
     BILLING_TRIAL_DAYS,
+    POSTHOG_HOST,
+    POSTHOG_KEY,
   } = loadEnv(mode, envPath, "");
 
   return {
@@ -27,6 +29,8 @@ export default defineConfig(({ mode }) => {
         SUBDOMAIN_HOST,
         COLLAB_URL,
         BILLING_TRIAL_DAYS,
+        POSTHOG_HOST,
+        POSTHOG_KEY,
       },
       APP_VERSION: JSON.stringify(process.env.npm_package_version),
     },