modularize src

+ merge main.py and manage.py
+ move start logic to swingmusic/__main__.py
+ add a run.py on the project root

swingmusic/models/logger.py

@@ -0,0 +1,46 @@
+from dataclasses import dataclass
+from typing import Any, Literal
+
+
+@dataclass
+class TrackLog:
+    """
+    Track play logger model
+    """
+
+    id: int
+    trackhash: str
+    duration: int
+    timestamp: int
+    source: str
+    """
+    The full source string, eg. "al:123456"
+    """
+    userid: int
+    extra: dict[str, Any]
+
+    type = "track"
+    type_src = None
+    """
+    The source identifier string, eg. albumhash, artisthash, etc.
+    """
+
+    def __post_init__(self):
+        prefix_map = {
+            "mix:": "mix",
+            "al:": "album",
+            "ar:": "artist",
+            "fo:": "folder",
+            "pl:": "playlist",
+            "favorite": "favorite",
+        }
+
+        for prefix, srctype in prefix_map.items():
+            if self.source.startswith(prefix):
+                try:
+                    self.type_src = self.source.split(":", 1)[1]
+                except IndexError:
+                    self.type_src = None
+
+                self.type = srctype
+                break