feat(docs): document split view

docs/User Guide/!!!meta.json

@@ -1639,6 +1639,75 @@
                                     "format": "markdown",
                                     "dataFileName": "Options.md",
                                     "attachments": []
+                                },
+                                {
+                                    "isClone": false,
+                                    "noteId": "luNhaphA37EO",
+                                    "notePath": [
+                                        "pOsGYCXsbNQG",
+                                        "gh7bpGYxajRS",
+                                        "Vc8PjrjAGuOp",
+                                        "luNhaphA37EO"
+                                    ],
+                                    "title": "Split View",
+                                    "notePosition": 120,
+                                    "prefix": null,
+                                    "isExpanded": false,
+                                    "type": "text",
+                                    "mime": "text/html",
+                                    "attributes": [
+                                        {
+                                            "type": "label",
+                                            "name": "iconClass",
+                                            "value": "bx bx-dock-right",
+                                            "isInheritable": false,
+                                            "position": 10
+                                        }
+                                    ],
+                                    "format": "markdown",
+                                    "dataFileName": "Split View.md",
+                                    "attachments": [
+                                        {
+                                            "attachmentId": "9plNhrKyZaXM",
+                                            "title": "3_Split View_image.png",
+                                            "role": "image",
+                                            "mime": "image/png",
+                                            "position": 10,
+                                            "dataFileName": "Split View_3_Split View_im.png"
+                                        },
+                                        {
+                                            "attachmentId": "Lk0PrljxWYRp",
+                                            "title": "4_Split View_image.png",
+                                            "role": "image",
+                                            "mime": "image/png",
+                                            "position": 10,
+                                            "dataFileName": "Split View_4_Split View_im.png"
+                                        },
+                                        {
+                                            "attachmentId": "Lt1OZVfsht6I",
+                                            "title": "Split View_image.png",
+                                            "role": "image",
+                                            "mime": "image/png",
+                                            "position": 10,
+                                            "dataFileName": "Split View_Split View_imag.png"
+                                        },
+                                        {
+                                            "attachmentId": "qm9Dn3TD1w4k",
+                                            "title": "2_Split View_image.png",
+                                            "role": "image",
+                                            "mime": "image/png",
+                                            "position": 10,
+                                            "dataFileName": "Split View_2_Split View_im.png"
+                                        },
+                                        {
+                                            "attachmentId": "UFITv6o2d4QN",
+                                            "title": "1_Split View_image.png",
+                                            "role": "image",
+                                            "mime": "image/png",
+                                            "position": 10,
+                                            "dataFileName": "Split View_1_Split View_im.png"
+                                        }
+                                    ]
                                 }
                             ]
                         },

docs/User Guide/User Guide/Basic Concepts and Features/UI Elements/Split View.md

@@ -0,0 +1,12 @@
+# Split View
+In Trilium, is possible to work with two or more notes side-by-side.
+
+![](Split%20View_2_Split%20View_im.png)
+
+## **Interactions**
+
+*   Press the ![](Split%20View_Split%20View_imag.png)![](https://file+.vscode-resource.vscode-cdn.net/home/elian/UI%20Elements/Split%20View_image.png) button to the right of a note's title to open a new split to the right of it.
+    *   It is possible to have as many splits as desired, simply press again the button.
+    *   Only horizontal splits are possible, vertical or drag & dropping is not supported.
+*   When at least one split is open, press the ![](https://file+.vscode-resource.vscode-cdn.net/home/elian/UI%20Elements/3_Split%20View_image.png)![](Split%20View_3_Split%20View_im.png) button next to it to close it.
+*   Use the ![](Split%20View_4_Split%20View_im.png)![](https://file+.vscode-resource.vscode-cdn.net/home/elian/UI%20Elements/4_Split%20View_image.png) or the ![](Split%20View_1_Split%20View_im.png)![](https://file+.vscode-resource.vscode-cdn.net/home/elian/UI%20Elements/1_Split%20View_image.png) button to move around the splits.