Add Session Loading style to list of known configs

Author: fendor

package.json

@@ -210,6 +210,22 @@
           "default": true,
           "description": "Whether to typecheck the entire project on load. It could drive to bad performance in large projects."
         },
+        "haskell.sessionLoading": {
+          "scope": "resource",
+          "type": "string",
+          "enum": [
+            "Single Component",
+            "Multiple Components",
+            "Auto"
+          ],
+          "default": "Auto",
+          "description": "Specify the project loading strategy of the Language Server. It allows the build tool (such as `cabal` or `stack`) to [load multiple components at once](https://github.com/haskell/cabal/pull/8726). While this can lead to an improved IDE experience, it is an experimental feature. Only change to \"Single Component\" when you encounter issues with `cabal`.",
+          "enumDescriptions": [
+            "Always load only a single component at a time. This is the most reliable option if you encountered any issues with the other options.",
+            "Allow the build tool to setup a multiple component session, if the build tool supports it. At the moment, only `cabal` supports loading with multiple components. If the `cabal` version does not support load multiple components at once, HLS falls gracefully back to \"Single Component\" mode",
+            "Let HLS decide how to load your project. For build tools that support it, HLS will use \"Multiple Components\" and otherwise \"Single Component\". Starting from the `cabal` version `3.12`, `cabal` supports loading of multiple components at once."
+          ]
+        },
         "haskell.maxCompletions": {
           "scope": "resource",
           "default": 40,