feat(templates): More package templates, template management start

templates/__init__.py

@@ -0,0 +1,17 @@
+from config.dtype.others import ArchMgrTemplateData
+
+
+class ArchMgrTemplates:
+    pkg_bundles: dict[str, list[str]]
+    bootloader_config: BootLoaderSettings
+    theme_templates: ArchMgrTemplateData
+    repo_config: None  # TODO: Define a good dtype here
+
+
+class BootLoaderSettings:
+    templates: ArchMgrTemplateData
+    name: str
+
+
+def load_templates():
+    pass