fix(neorg): Add default workspace for Neorg (#1237)

* Update init.lua to  add default workspace

With default workspace, Neorg can start with that workspace. The user does not have to run the command to load the workspace after starting nvim.

* Fix code formatting

lua/astrocommunity/note-taking/neorg/init.lua

@@ -19,6 +19,7 @@ return {
           workspaces = {
             notes = "~/projects/notes",
           },
+          default_workspace = "notes",
         },
       },
     },