nvim: add psoxizsh.lsp.keys

This is our inhouse overrides over LazyVim's key maps for the LSP on_attach
function.

Unfortunately there's no good way to do this, other than directly
mutating the key binds LazyVim creates

nvim/lua/psoxizsh/lsp/keys.lua

@@ -0,0 +1,30 @@
+return {
+  { 'neovim/nvim-lspconfig',
+    opts = function(_, _)
+      local K = require("lazyvim.plugins.lsp.keymaps").get()
+
+      -- So this is a bit obtuse to set, because we have to match the order
+      -- provided by LazyVim, see the following for the offsets
+      -- https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/plugins/lsp/keymaps.lua#L15
+      K[1][1]  = '<leader>Ci'       -- 'Lsp Info'
+      K[2][1]  = 'gd'               -- 'Goto Definition'
+      K[3][1]  = 'gr'               -- 'References'
+      K[4][1]  = 'gI'               -- 'Goto Implementation'
+      K[5][1]  = 'gT' ; K[5].desc   =  'Goto Type Definition'
+      K[6][1]  = 'gD'               -- 'Goto Declaration'
+      K[7][1]  = 'K'                -- 'Hover'
+      K[8][1]  = 'gS'               -- 'Signature Help'
+      K[9][2]  = false              -- 'Signature Help' (disable insert mode map)
+      K[10][1] = '<leader>.'        -- 'Code Action'
+      K[11][1] = '<leader>r>'       -- 'Run Codelens'
+      K[12][1] = '<leader>>'        -- 'Refresh & Display Codelens'
+      K[13][1] = '<leader>rF'       -- 'Rename File'
+      K[14][1] = '<leader>rn'       -- 'Rename'
+      K[15][1] = '<leader>Ca'       -- 'Source Action'
+      K[16][1] = ']]'               -- 'Next Reference'
+      K[17][1] = '[['               -- 'Prev Reference'
+      K[18][2] = false              -- 'Next Reference' (disable alt map)
+      K[19][2] = false              -- 'Prev Reference' (disable alt map)
+    end
+  },
+}