Update KEYBINDING.md

## All bindings below can be configured with the function eaf-bind-key. See README for more info

### Browser

| Browser Key         | Event                            |

| M-<                 | Scroll to top                    |

| M->                 | Scroll to bottom                 |

You can customize keys with option ```eaf-browser-keybinding``` or ```eaf-browser-key-alias```

You can customize keys in the variable ```eaf-browser-keybinding```

### PDF Viewer

| i              | Toggle inverted mode                |

| Double Click   | Use sdcv translate word under point |

You can customize keys with option ```eaf-pdf-viewer-keybinding```

You can customize in the variable ```eaf-pdf-viewer-keybinding```

### Video Player

| h                | Seek backward |

| l                | Seek forward  |

You can customize keys with option ```eaf-video-player-keybinding```

You can customize keys in the variable ```eaf-video-player-keybinding```

### Image Viewer

| j                | Load next image in current directory     |

| k                | Load previous image in current directory |

You can customize keys with option ```eaf-image-viewer-keybinding```

You can customize keys in the variable ```eaf-image-viewer-keybinding```

### Terminal

| :-----:     | :----      |

| j           | Take photo |

You can customize keys with option ```eaf-camera-keybinding```

You can customize keys in the variable ```eaf-camera-keybinding```