feat: implement caldav search

vendor/github.com/dolanor/caldav-go/icalendar/values/comment.go

@@ -0,0 +1,33 @@
+package values
+
+import (
+	"github.com/dolanor/caldav-go/icalendar/properties"
+)
+
+// specifies non-processing information intended to provide a comment to the calendar user.
+type Comment string
+
+// encodes the comment value for the iCalendar specification
+func (c Comment) EncodeICalValue() (string, error) {
+	return string(c), nil
+}
+
+// decodes the comment value from the iCalendar specification
+func (c Comment) DecodeICalValue(value string) error {
+	c = Comment(value)
+	return nil
+}
+
+// encodes the comment value for the iCalendar specification
+func (c Comment) EncodeICalName() (properties.PropertyName, error) {
+	return properties.CommentPropertyName, nil
+}
+
+// creates a list of comments from strings
+func NewComments(comments ...string) []Comment {
+	var _comments []Comment
+	for _, comment := range comments {
+		_comments = append(_comments, Comment(comment))
+	}
+	return _comments
+}