Add new search engine that supports logical expressions (and, or, not) (#1198)

* parser implementation

* add support for quoted strings

* add support for tags

* ignore empty tags

* implicit and

* prepare query conversion by disabling tests

* convert query logic

* fix nested combined tag searches

* simplify query logic

* Add special keyword support to parser

* Add special keyword support to query builder

* Handle invalid queries in query builder

* Notify user about invalid queries

* Add helper to strip tags from search query

* Make tag cloud show all tags from search query

* Use new method for extracting tags

* Add query for getting tags from search query

* Get selected tags through specific context

* Properly remove selected tags from complex queries

* cleanup

* Clarify bundle search terms

* Add documentation draft

* Improve adding tags to search query

* Add option to switch back to the old search

bookmarks/migrations/0049_userprofile_legacy_search.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.5 on 2025-10-05 09:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookmarks", "0048_userprofile_default_mark_shared"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="userprofile",
+            name="legacy_search",
+            field=models.BooleanField(default=False),
+        ),
+    ]