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/.jshintrc

@@ -0,0 +1,19 @@
+{
+  "predef": [
+    "describe", 
+    "it", 
+    "before", 
+    "after", 
+    "window", 
+    "__resources__"
+  ],
+  "es5": true,  
+  "node": true, 
+  "eqeqeq": true, 
+  "undef": true, 
+  "curly": true, 
+  "bitwise": true, 
+  "immed": false, 
+  "newcap": true, 
+  "nonew": true
+}