feat: add static site generation functionality

utils.go

@@ -0,0 +1,19 @@
+package main
+
+// filter filters a slice based on a predicate function.
+// It returns a new slice containing only the elements for which the predicate returns true.
+// Parameters:
+//   - s: The slice to filter.
+//   - predicate: The function to test each element of the slice.
+//
+// Returns:
+//   - A new slice containing the filtered elements.
+func filter[T any](s []T, predicate func(T) bool) []T {
+	result := make([]T, 0, len(s)) // Pre-allocate for efficiency
+	for _, v := range s {
+		if predicate(v) {
+			result = append(result, v)
+		}
+	}
+	return result
+}