feat: add initial support for positioning

Signed-off-by: Konstantin Fickel <mail@konstantinfickel.de>

test/test_localize.py

@@ -0,0 +1,46 @@
+from streamer.localize.localize import localize_stream_file
+from streamer.localize.localized_shard import LocalizedShard
+from streamer.localize.repostory_configuration import (
+    Dimension,
+    Marker,
+    RepositoryConfiguration,
+)
+from streamer.parse.shard import Shard, StreamFile
+
+repository_configuration = RepositoryConfiguration(
+    dimensions={
+        "project": Dimension(
+            display_name="Project",
+            comment="GTD Project that is being worked on",
+            propagate=True,
+        ),
+        "moment": Dimension(
+            display_name="Moment",
+            comment="Timestamp this entry was created at",
+            propagate=True,
+        ),
+    },
+    markers={
+        "streamer": Marker(display_name="Streamer", dimension="project"),
+        "jobhunting": Marker(display_name="JobHunting", dimension="project"),
+    },
+)
+
+
+class TestExtractDateTime:
+    def test_project_simple_stream_file(self):
+        stream_file = StreamFile(
+            filename="20250622-121000 Test File.md",
+            shard=Shard(start_line=1, end_line=1, markers=["Streamer"]),
+        )
+
+        assert localize_stream_file(
+            stream_file, repository_configuration
+        ) == LocalizedShard(
+            markers=["Streamer"],
+            tags=[],
+            start_line=1,
+            end_line=1,
+            children=[],
+            location={"moment": "2025-06-22T12:10:00", "project": "streamer"},
+        )