Delete script for deleting the local database

Makefile

@@ -33,4 +33,16 @@ changelog:
 	build-changelog changelog.yaml --org PolicyEngine --repo policyengine-api --output CHANGELOG.md --template .github/changelog_template.md
 	bump-version changelog.yaml setup.py policyengine_api/constants.py
 	rm changelog_entry.yaml || true
-	touch changelog_entry.yaml 
+	touch changelog_entry.yaml 
+
+# Configurable variables with defaults (can be overridden at runtime)
+DB_NAME ?= your_database_name
+DB_USER ?= your_username
+DB_HOST ?= localhost
+DB_PORT ?= 5432
+
+# Drop the PostgreSQL database
+delete-local-db:
+	@echo "Dropping database '$(DB_NAME)'..."
+	@PGPASSWORD=$$PGPASSWORD dropdb -U $(DB_USER) -h $(DB_HOST) -p $(DB_PORT) $(DB_NAME) || echo "Failed to drop database or database does not exist."
+

changelog_entry.yaml

@@ -0,0 +1,4 @@
+- bump: patch
+  changes:
+    added:
+      - Updates to makefile for a script to delete local database