Sync with libloot v0.26.1

Aside from adding GameType::oblivionRemastered and its usage, this is almost entirely about moving C++ files and tests around.

python/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "libloot_python"
-version = "0.26.0"
+version = "0.26.1"
 edition = "2024"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

python/src/game.rs

@@ -19,6 +19,7 @@ pub enum GameType {
     Morrowind,
     Starfield,
     OpenMW,
+    OblivionRemastered,
 }
 
 impl TryFrom<libloot::GameType> for GameType {
@@ -37,6 +38,7 @@ impl TryFrom<libloot::GameType> for GameType {
             libloot::GameType::Morrowind => Ok(GameType::Morrowind),
             libloot::GameType::Starfield => Ok(GameType::Starfield),
             libloot::GameType::OpenMW => Ok(GameType::OpenMW),
+            libloot::GameType::OblivionRemastered => Ok(GameType::OblivionRemastered),
             _ => Err(UnsupportedEnumValueError),
         }
     }
@@ -58,6 +60,7 @@ impl TryFrom<GameType> for libloot::GameType {
             GameType::Morrowind => Ok(libloot::GameType::Morrowind),
             GameType::Starfield => Ok(libloot::GameType::Starfield),
             GameType::OpenMW => Ok(libloot::GameType::OpenMW),
+            GameType::OblivionRemastered => Ok(libloot::GameType::OblivionRemastered),
         }
     }
 }