Rename main.py to TasmotaManager.py

- Renamed main.py to TasmotaManager.py for consistency with project name
- Updated pyproject.toml to reflect the new module name
- All functionality remains the same

pyproject.toml

@@ -18,7 +18,7 @@ dependencies = [
 ]
 
 [project.scripts]
-tasmota-manager = "main:main"
+tasmota-manager = "TasmotaManager:main"
 
 [project.optional-dependencies]
 dev = [
@@ -31,7 +31,7 @@ dev = [
 
 [tool.setuptools]
 py-modules = [
-    "main",
+    "TasmotaManager",
     "utils",
     "unifi_client",
     "discovery",