Merge pull request #578 from NHSDigital/feature/made14-NRL-662-update-readme

[NRL-662] Update top-level README for next release

Author: Tomdango

.tool-versions

@@ -1,5 +1,5 @@
 awscli 2.15.11
-poetry 1.5.1
+poetry 1.8.2
 jq 1.7.1
 python 3.12.2
 terraform 1.3.4

Makefile

@@ -11,7 +11,8 @@ DIST_PATH ?= ./dist
 TEST_ARGS ?= --cov --cov-report=term-missing
 FEATURE_TEST_ARGS ?= ./tests/features --format progress2
 TF_WORKSPACE ?= $(shell terraform -chdir=terraform/infrastructure workspace show)
-
+ENV ?= dev
+APP_ALIAS ?= default
 
 export PATH := $(PATH):$(PWD)/.venv/bin