Rename more occurences

docs/tutorial/cpp/src/getting_started.md

@@ -34,11 +34,11 @@ slint_target_sources(memory_game memory.slint)
 This should look familiar to people familiar with CMake. We see that this CMakeLists.txt
 references a `main.cpp`, which we will add later, and it also has a line
 `slint_target_sources(memory_game memory.slint)`, which is a Slint function used to
-add the `memory.60` file to the target. We must then create, in the same directory,
-the `memory.60` file. Let's just fill it with a hello world for now:
+add the `memory.slint` file to the target. We must then create, in the same directory,
+the `memory.slint` file. Let's just fill it with a hello world for now:
 
 ```slint
-{{#include memory.60:main_window}}
+{{#include memory.slint:main_window}}
 ```
 
 What's still missing is the `main.cpp`:
@@ -47,7 +47,7 @@ What's still missing is the `main.cpp`:
 {{#include main_initial.cpp:main}}
 ```
 
-To recap, we now have a directory with a `CMakeLists.txt`, `memory.60` and `main.cpp`.
+To recap, we now have a directory with a `CMakeLists.txt`, `memory.slint` and `main.cpp`.
 
 We can now compile and run this program:
 

docs/tutorial/cpp/src/main_game_logic.cpp

@@ -4,7 +4,7 @@
 // clang-format off
 // main.cpp
 
-#include "memory_game_logic.h" // generated header from memory_game_logic.60
+#include "memory_game_logic.h" // generated header from memory_game_logic.slint
 
 #include <random> // Added
 

docs/tutorial/cpp/src/main_initial.cpp

@@ -4,7 +4,7 @@
 // ANCHOR: main
 // main.cpp
 
-#include "memory.h" // generated header from memory.60
+#include "memory.h" // generated header from memory.slint
 
 int main()
 {

docs/tutorial/cpp/src/main_tiles_from_cpp.cpp

@@ -3,7 +3,7 @@
 
 // main.cpp
 
-#include "memory_tiles_from_cpp.h" // generated header from memory_tiles_from_cpp.60
+#include "memory_tiles_from_cpp.h" // generated header from memory_tiles_from_cpp.slint
 // ANCHOR: main
 // ...
 

docs/tutorial/cpp/src/memory.slint

@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: (GPL-3.0-only OR LicenseRef-SixtyFPS-commercial)
 
 // ANCHOR: main_window
-// memory.60
+// memory.slint
 MainWindow := Window {
     Text {
         text: "hello world";

docs/tutorial/cpp/src/polishing_the_tile.md

@@ -16,7 +16,7 @@ more in detail:
 In order to make our tile extensible, the hard-coded icon name is replaced with an *icon*
 property that can be set from the outside when instantiating the element. For the final polish, we add a
 *solved* property that we use to animate the color to a shade of green when we've found a pair, later. We
-replace the code inside the `memory.60` file with the following:
+replace the code inside the `memory.slint` file with the following:
 
 ```slint
 {{#include ../../rust/src/main_polishing_the_tile.rs:tile}}