refactor: rework few tests and build system

This commit includes the following changes
* Bump github actions
* Update tests github action to check documentation and streamline
  process
* Update test cases to use temporary directories as roots
* Simplify tox.ini

src/ahriman/core/configuration/configuration.py

@@ -210,6 +210,17 @@ class Configuration(configparser.RawConfigParser):
             raise InitializeError("Configuration path and/or repository id are not set")
         return self.path, self.repository_id
 
+    def copy_from(self, configuration: Self) -> None:
+        """
+        copy values from another instance overriding existing
+
+        Args:
+            configuration(Self): configuration instance to merge from
+        """
+        for section in configuration.sections():
+            for key, value in configuration.items(section):
+                self.set_option(section, key, value)
+
     def dump(self) -> dict[str, dict[str, str]]:
         """
         dump configuration to dictionary
@@ -220,6 +231,7 @@ class Configuration(configparser.RawConfigParser):
         return {
             section: dict(self.items(section))
             for section in self.sections()
+            if self[section]
         }
 
     # pylint and mypy are too stupid to find these methods

src/ahriman/web/routes.py

@@ -72,8 +72,8 @@ def setup_routes(application: Application, configuration: Configuration) -> None
         application(Application): web application instance
         configuration(Configuration): configuration instance
     """
-    application.router.add_static("/static", configuration.getpath("web", "static_path"), name="_static",
-                                  follow_symlinks=True)
+    application.router.add_static("/static", configuration.getpath("web", "static_path"),
+                                  name="_static", follow_symlinks=True)
 
     for route, view in _dynamic_routes(configuration):
         application.router.add_view(route, view, name=_identifier(route))