docs(dev): add iteration 1 setup and reports

.env.example

@@ -0,0 +1,14 @@
+# Copy to .env, replace every placeholder, then load it into the IDE or shell.
+SPRING_PROFILES_ACTIVE=dev
+LAB_SERVER_PORT=8080
+LAB_FORWARD_HEADERS_STRATEGY=NONE
+
+LAB_DB_URL=jdbc:postgresql://localhost:55432/labtimesheet
+LAB_DB_USERNAME=labtimesheet
+LAB_DB_PASSWORD=replace-with-local-database-password
+
+LAB_SMTP_HOST=localhost
+LAB_SMTP_PORT=1025
+
+LAB_PUBLIC_ORIGIN=http://localhost:8080
+LAB_SECURITY_MASTER_KEY=replace-with-base64-encoded-32-byte-key