add info about tilemap hotkeys (#446)

docs/en/manuals/editor-keyboard-shortcuts.md

@@ -99,6 +99,9 @@ brief: This manual shows the current keyboard shortcuts and how to customize the
 | Switch to next tab | <kbd>Ctrl</kbd>+<kbd>Tab</kbd> | <kbd>Ctrl</kbd>+<kbd>Tab</kbd> | <kbd>Ctrl</kbd>+<kbd>Tab</kbd> |
 | Switch to previous tab | <kbd>Shift</kbd>+<kbd>Ctrl</kbd>+<kbd>Tab</kbd> | <kbd>Shift</kbd>+<kbd>Ctrl</kbd>+<kbd>Tab</kbd> | <kbd>Shift</kbd>+<kbd>Ctrl</kbd>+<kbd>Tab</kbd> |
 | Tab | <kbd>Tab</kbd> | <kbd>Tab</kbd> | <kbd>Tab</kbd> |
+| Tilemap brush clockwise rotation | <kbd>Z</kbd> | <kbd>Z</kbd> | <kbd>Z</kbd> |
+| Tilemap brush horizontal flipping | <kbd>X</kbd> | <kbd>X</kbd> | <kbd>X</kbd> |
+| Tilemap brush vertical flipping | <kbd>Y</kbd> | <kbd>Y</kbd> | <kbd>Y</kbd> |
 | Toggle breakpoint | <kbd>F9</kbd> | <kbd>F9</kbd> | <kbd>F9</kbd> |
 | Toggle comment | <kbd>Ctrl</kbd>+<kbd>Slash</kbd> | <kbd>Cmd</kbd>+<kbd>Slash</kbd> | <kbd>Ctrl</kbd>+<kbd>Slash</kbd> |
 | Toggle component guides | <kbd>Ctrl</kbd>+<kbd>H</kbd> | <kbd>Ctrl</kbd>+<kbd>Cmd</kbd>+<kbd>H</kbd> | <kbd>Ctrl</kbd>+<kbd>H</kbd> |

docs/en/manuals/tilemap.md

@@ -34,6 +34,8 @@ To paint tiles on your tile map:
 
 You can pick tiles directly from a layer and use the selection as a brush. Hold <kbd>Shift</kbd> and click a tile to pick it up as the current brush. While holding <kbd>Shift</kbd> you can also click and drag to select a block of tiles to use as a larger brush.
 
+For clockwise brush rotation, use <kbd>Z</kbd>. Use <kbd>X</kbd> for horizontal flipping and <kbd>Y</kbd> for vertical flipping of the brush.
+
 ![Picking tiles](images/tilemap/pick_tiles.png){srcset="images/tilemap/[email protected] 2x"}
 
 ## Adding a tile map to your game