Add new vendors, brands, categories tables and calculate scripts

inventory-server/old/config-schema.sql

@@ -1,22 +1,6 @@
 -- -- Configuration tables schema
 
--- -- Create function for updating timestamps if it doesn't exist
--- CREATE OR REPLACE FUNCTION update_updated_column()
--- RETURNS TRIGGER AS $$
--- BEGIN
---     NEW.updated = CURRENT_TIMESTAMP;
---     RETURN NEW;
--- END;
--- $$ language 'plpgsql';
 
--- -- Create function for updating updated_at timestamps
--- CREATE OR REPLACE FUNCTION update_updated_at_column()
--- RETURNS TRIGGER AS $$
--- BEGIN
---     NEW.updated_at = CURRENT_TIMESTAMP;
---     RETURN NEW;
--- END;
--- $$ language 'plpgsql';
 
 -- -- Stock threshold configurations
 -- CREATE TABLE stock_thresholds (