added mig_meow rule creation

rules/file_event_jupyter_notebook_rule.py

@@ -0,0 +1,20 @@
+
+from core.correctness.validation import check_input
+from core.meow import BaseRule
+from patterns.file_event_pattern import FileEventPattern
+from recipes.jupyter_notebook_recipe import JupyterNotebookRecipe
+
+class FileEventJupyterNotebookRule(BaseRule):
+    def __init__(self, name: str, pattern:FileEventPattern, 
+            recipe:JupyterNotebookRecipe):
+        super().__init__(name, pattern, recipe)
+        if pattern.recipe != recipe.name:
+            raise ValueError(f"Cannot create Rule {name}. Pattern "
+                f"{pattern.name} does not identify Recipe {recipe.name}. It "
+                f"uses {pattern.recipe}")
+
+    def _is_valid_pattern(self, pattern:FileEventPattern) -> None:
+        check_input(pattern, FileEventPattern)
+
+    def _is_valid_recipe(self, recipe:JupyterNotebookRecipe) -> None:
+        check_input(recipe, JupyterNotebookRecipe)