Add missing configuration options for the latest HLS version (#717)

Author: fendor

package.json

@@ -226,9 +226,15 @@
           "scope": "resource",
           "type": "boolean"
         },
-        "haskell.plugin.class.globalOn": {
+        "haskell.plugin.class.codeActionsOn": {
           "default": true,
-          "description": "Enables class plugin",
+          "description": "Enables class code actions",
+          "scope": "resource",
+          "type": "boolean"
+        },
+        "haskell.plugin.class.codeLensOn": {
+          "default": true,
+          "description": "Enables class code lenses",
           "scope": "resource",
           "type": "boolean"
         },
@@ -250,6 +256,18 @@
           "scope": "resource",
           "type": "boolean"
         },
+        "haskell.plugin.explicitFixity.globalOn": {
+          "default": true,
+          "description": "Enables explicitFixity plugin",
+          "scope": "resource",
+          "type": "boolean"
+        },
+        "haskell.plugin.gadt.globalOn": {
+          "default": true,
+          "description": "Enables gadt plugin",
+          "scope": "resource",
+          "type": "boolean"
+        },
         "haskell.plugin.ghcide-code-actions-bindings.globalOn": {
           "default": true,
           "description": "Enables ghcide-code-actions-bindings plugin",