[feat] plugins: add new time/timezone search plugin

The plugin uses the ``GeoLocation`` class, which is already implemented in the
context of weather forecasts, to determine the time zone. The ``DateTime`` class
is used for the localized display of date and time.

Co-authored-by: Markus Heiser <markus.heiser@darmarit.de>

searx/weather.py

@@ -20,6 +20,7 @@ import typing
 import base64
 import datetime
 import dataclasses
+import zoneinfo
 
 from urllib.parse import quote_plus
 
@@ -137,6 +138,10 @@ class GeoLocation:
     country_code: str  # 2-Character ISO-3166-1 alpha2 country code. E.g. DE for Germany
     timezone: str  # Time zone using time zone database definitions
 
+    @property
+    def zoneinfo(self) -> zoneinfo.ZoneInfo:
+        return zoneinfo.ZoneInfo(self.timezone)
+
     def __str__(self):
         return self.name