feat: add sqlstring and supports-color modules

- Introduced sqlstring module for SQL escape and formatting.
- Added supports-color module to detect terminal color support.
- Created dashboard and login views with Bootstrap styling.
- Implemented user schema in SQL with mock data for testing.

backend/node_modules/seq-queue/Makefile

@@ -0,0 +1,9 @@
+TESTS = test/*.js
+REPORTER = spec
+TIMEOUT = 5000
+
+test:
+	@./node_modules/.bin/mocha \
+		--reporter $(REPORTER) --timeout $(TIMEOUT) $(TESTS)
+
+.PHONY: test