Add Hammerspoon Lua completions

lua/plugins/completions.lua

@@ -100,6 +100,12 @@ return {
               disable = { 'missing-fields', },
               globals = { 'vim', },
             },
+            workspace = {
+              library = {
+                vim.fn.expand('~/.hammerspoon/Spoons'),
+                vim.fn.expand('~/.hammerspoon/Spoons/EmmyLua.spoon/annotations/'),
+              }
+            }
           },
         },
       },