feat(bufferline): add keymaps for BufferLineMovePrev / BufferLineMoveNext (#1935)

* Add mappings for BufferLineMovePrev / BufferLineMoveNext

* Change to '[B' and ']B'

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Co-authored-by: Folke Lemaitre <folke.lemaitre@gmail.com>

lua/lazyvim/plugins/ui.lua

@@ -67,6 +67,8 @@ return {
       { "<S-l>", "<cmd>BufferLineCycleNext<cr>", desc = "Next Buffer" },
       { "[b", "<cmd>BufferLineCyclePrev<cr>", desc = "Prev Buffer" },
       { "]b", "<cmd>BufferLineCycleNext<cr>", desc = "Next Buffer" },
+      { "[B", "<cmd>BufferLineMovePrev<cr>", desc = "Move buffer prev" },
+      { "]B", "<cmd>BufferLineMoveNext<cr>", desc = "Move buffer next" },
     },
     opts = {
       options = {