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/jake/test/integration/selfdep.js

@@ -0,0 +1,42 @@
+let assert = require('assert');
+let exec = require('child_process').execSync;
+
+const PROJECT_DIR = process.env.PROJECT_DIR;
+const JAKE_CMD = `${PROJECT_DIR}/bin/cli.js`;
+
+suite('selfDep', function () {
+
+  this.timeout(7000);
+
+  let origStderrWrite;
+
+  setup(function () {
+    origStderrWrite = process.stderr.write;
+    process.stderr.write = function () {};
+  });
+
+  teardown(function () {
+    process.stderr.write = origStderrWrite;
+  });
+
+  test('self dep const', function () {
+    try {
+      exec(`${JAKE_CMD} selfdepconst`);
+    }
+    catch(e) {
+      assert(e.message.indexOf('dependency of itself') > -1);
+    }
+  });
+
+  test('self dep dyn', function () {
+    try {
+      exec(`${JAKE_CMD} selfdepdyn`);
+    }
+    catch(e) {
+      assert(e.message.indexOf('dependency of itself') > -1);
+    }
+  });
+
+});
+
+