Database sample data, make target and go code

backend/Makefile

@@ -10,6 +10,7 @@ DB_FILE = db.sqlite3
 
 # Directory containing migration SQL scripts
 MIGRATIONS_DIR = internal/database/migrations
+SAMPLE_DATA_DIR = internal/database/sample_data
 
 # Build target
 build:
@@ -54,6 +55,14 @@ migrate:
 		sqlite3 $(DB_FILE) < $$file; \
 	done
 
+sampledata:
+	@echo "If this ever fails, run make clean and try again"
+	@echo "Migrating database $(DB_FILE) using SQL scripts in $(SAMPLE_DATA_DIR)"
+	@for file in $(wildcard $(SAMPLE_DATA_DIR)/*.sql); do \
+		echo "Applying migration: $$file"; \
+		sqlite3 $(DB_FILE) < $$file; \
+	done
+
 # Target added primarily for CI/CD to ensure that the database is created before running tests
 db.sqlite3:
 	make migrate