Fix the which-key spec issue caused by recent cleanup (nvim-lua#1113)

The recent cleanup accidentally broke the leader key specs
because the spec block was in the wrong level of braces.
That resulted in which-key no longer showing the description
of the <leader> key chains such as [S]earch and others.

init.lua

@@ -310,17 +310,17 @@ require('lazy').setup({
           F11 = '<F11>',
           F12 = '<F12>',
         },
+      },
 
-        -- Document existing key chains
-        spec = {
-          { '<leader>c', group = '[C]ode', mode = { 'n', 'x' } },
-          { '<leader>d', group = '[D]ocument' },
-          { '<leader>r', group = '[R]ename' },
-          { '<leader>s', group = '[S]earch' },
-          { '<leader>w', group = '[W]orkspace' },
-          { '<leader>t', group = '[T]oggle' },
-          { '<leader>h', group = 'Git [H]unk', mode = { 'n', 'v' } },
-        },
+      -- Document existing key chains
+      spec = {
+        { '<leader>c', group = '[C]ode', mode = { 'n', 'x' } },
+        { '<leader>d', group = '[D]ocument' },
+        { '<leader>r', group = '[R]ename' },
+        { '<leader>s', group = '[S]earch' },
+        { '<leader>w', group = '[W]orkspace' },
+        { '<leader>t', group = '[T]oggle' },
+        { '<leader>h', group = 'Git [H]unk', mode = { 'n', 'v' } },
       },
     },
   },