feat: Release v0.10 - Modular Architecture & External Config

- Refactor codebase into src/ (preprocessing, translation, assembly)
- Add pipeline/ scripts for individual stages
- Externalize configuration to config/config.yaml
- Fix Cover Image preservation
- Update documentation and manuals

archive/v0.09/test_spacing.py

@@ -0,0 +1,16 @@
+from src.utils import add_spacing_between_cn_and_en_num
+
+cases = [
+    "在全φ1φ员会议",
+    "全φ1φ员",
+    "φ1φTable Talkφ/1φ",
+    "测试φ12φ测试",
+    "测试φ/12φ测试"
+]
+
+for text in cases:
+    processed = add_spacing_between_cn_and_en_num(text)
+    print(f"Original: '{text}'")
+    print(f"Processed: '{processed}'")
+    print(f"Changed: {text != processed}")
+    print()