Add web .env file

Author: brendan-kellam

packages/web/.env

@@ -0,0 +1,6 @@
+NEXT_PUBLIC_POSTHOG_HOST=https://us.i.posthog.com
+NEXT_PUBLIC_POSTHOG_ASSET_HOST=https://us-assets.i.posthog.com
+NEXT_PUBLIC_POSTHOG_UI_HOST=https://us.posthog.com
+
+# @note: This is also set in the Dockerfile.
+NEXT_PUBLIC_POSTHOG_KEY=phc_VFn4CkEGHRdlVyOOw8mfkoj1DKVoG6y1007EClvzAnS

packages/web/.gitignore

@@ -37,4 +37,6 @@ yarn-error.log*
 *.tsbuildinfo
 next-env.d.ts
 
-# End of https://www.toptal.com/developers/gitignore/api/nextjs
+# End of https://www.toptal.com/developers/gitignore/api/nextjs
+
+!.env