Update zh_cn (#43)

Author: object-Object

Common/src/main/resources/assets/hexdebug/lang/zh_cn.flatten.json5

@@ -28,13 +28,20 @@
           view_right: "向右移动视野",
           view_right_page: "将视野移动到下一页",
           view_right_full: "将视野移动到末尾",
+          cursor_left: "向左移动光标",
+          cursor_right: "向右移动光标",
+          expand_selection_left: "向左延伸选区",
+          expand_selection_right: "向右延伸选区",
+          move_selection_left: "向左移动选区",
+          move_selection_right: "向右移动选区",
           select_none: "取消选区",
           select_all: "全选",
           clear_grid: "清空网格",
           nudge_left: "左移",
           nudge_right: "右移",
           duplicate: "重复",
           delete: "删除",
+          backspace: "退格",
           undo: "撤销",
           redo: "重做",
           cut: "剪切",
@@ -87,7 +94,23 @@
           invertSplicingTableScrollDirection: {
             "": "反转剪接台滚轮方向",
             "@Tooltip": "是否在向上滚动滚轮（反之则向下）时增加剪接台的视野索引。自动为反向滚动绑定减小索引操作。",
-          }
+          },
+          splicingTableKeybinds: {
+            "": "剪接台按键绑定",
+            "@Tooltip": "剪接台GUI中各操作的键位绑定。",
+            enabled: {
+              "": "启用按键绑定",
+              "@Tooltip": "启用剪接台和制念台GUI的自定义按键绑定。若禁用，则此类别下所有其他设置无效。",
+            },
+            overrideVanillaArrowKeys: {
+              "": "覆盖原版方向键操作",
+              "@Tooltip": "在剪接台GUI中覆盖可用方向键切换界面元素焦点的原版特性。此设置可增强默认按键绑定的可用性，但有辅助功能需求时可能需要禁用。",
+            },
+            enlightened: {
+              "": "制念台",
+              "@Tooltip": "制念台GUI中各操作的键位绑定。",
+            },
+          },
         },
         server: {
           maxUndoStackSize: {