feat: config file

refactor: as the config module changed
test: add test for config
test: add test for local fetcher and local enrichers
test: add test for manual insertion
fix: some random bugs left by the last commit

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "lrx-cli"
-version = "0.6.4"
+version = "0.6.5"
 description = "Fetch line-synced lyrics for your music player."
 readme = "README.md"
 requires-python = ">=3.13"
@@ -14,8 +14,7 @@ dependencies = [
     "httpx>=0.28.1",
     "loguru>=0.7.3",
     "mutagen>=1.47.0",
-    "platformdirs>=4.9.4",
-    "python-dotenv>=1.2.2",
+    "platformdirs>=4.9.6",
 ]
 
 [project.scripts]