[Issue #1295]: add env vars for local and prod (#1384)

## Summary
Fixes #1295 

### Time to review: 2 mins

## Changes proposed
 - add `NEXT_PUBLIC_API_URL` for local and prod (todo ticket created to come back around for dev and stage)

frontend/.env.development

@@ -12,4 +12,6 @@ NEXT_PUBLIC_BASE_PATH=
 # Put the following secrets into a .env.local file for local development
 SENDY_API_KEY=
 SENDY_API_URL=
-SENDY_LIST_ID=
+SENDY_LIST_ID=
+
+NEXT_PUBLIC_API_URL=http://localhost:8080

frontend/.env.production

@@ -0,0 +1,17 @@
+# !! Don't put secrets in this file. Use .env.local for secrets instead !!
+# This file is checked into your git repo and provides defaults for non-sensitive
+# env vars when running `next dev` only.
+# Learn more: https://nextjs.org/docs/app/building-your-application/configuring/environment-variables
+
+# This is used to determin if this is a prod or a non prod environment for deployed environments. Currently used for noindex and google tag manager logic
+NEXT_PUBLIC_ENVIRONMENT=prod
+
+# If you deploy to a subpath, change this to the subpath so relative paths work correctly.
+NEXT_PUBLIC_BASE_PATH=
+
+# Put the following secrets into a .env.local file for local development
+SENDY_API_KEY=
+SENDY_API_URL=
+SENDY_LIST_ID=
+
+NEXT_PUBLIC_API_URL=http://api-prod-342430507.us-east-1.elb.amazonaws.com