feat: implement tailwind validations and basic example

schemas/code-crispies-module-schema.json

@@ -17,6 +17,11 @@
 			"type": "string",
 			"description": "Detailed description of the module content and purpose"
 		},
+		"mode": {
+			"type": "string",
+			"enum": ["css", "tailwind"],
+			"description": "Whether this module teaches CSS or Tailwind"
+		},
 		"difficulty": {
 			"type": "string",
 			"enum": ["beginner", "intermediate", "advanced"],
@@ -53,6 +58,15 @@
 						"type": "string",
 						"description": "Detailed description of the lesson content and concepts"
 					},
+					"mode": {
+						"type": "string",
+						"enum": ["css", "tailwind"],
+						"description": "Override module mode for individual lessons"
+					},
+					"tailwindConfig": {
+						"type": "object",
+						"description": "Custom Tailwind configuration if needed"
+					},
 					"task": {
 						"type": "string",
 						"description": "The specific task instructions for the student to complete"
@@ -91,7 +105,7 @@
 							"properties": {
 								"type": {
 									"type": "string",
-									"enum": ["contains", "not_contains", "regex", "property_value", "syntax", "custom"],
+									"enum": ["contains", "contains_class", "not_contains", "regex", "property_value", "syntax", "custom"],
 									"description": "Type of validation to perform"
 								},
 								"value": {