Add: script to generate .env file

package.json

@@ -9,7 +9,8 @@
     "dev": "ts-node-dev src/index.ts",
     "prod": "npm run build && NODE_ENV=production npm run start",
     "typecheck": "tsc --noEmit",
-    "lint": "eslint src/ --ext .ts"
+    "lint": "eslint src/ --ext .ts",
+    "preinstall": "bash scripts/generate-temp-files.sh"
   },
   "repository": {
     "type": "git",

scripts/generate-temp-files.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+ENV_FILE=".env"
+
+echo -e "Generating local specific, temporary files\n"
+
+# Setup the env file
+if [ -f "$ENV_FILE" ]; then
+    echo "The .env file already exists, skip generating it"
+else
+    echo "Generating the .env file"
+    cp .env.example $ENV_FILE
+fi