feat(nvim): reorganize and modernize Neovim configuration

- Remove deprecated config files: git-ref.lua, git-signs.lua, diffview-config.lua, lsp-lines-config.lua, neotree-config.lua, fidget-spinner.lua, silicon-config.lua, telescope-config.lua, llm.lua
- Add new configuration files: diagnostics-config.lua, git-config.lua, llm-config.lua, snacks-config.lua
- Update existing config files: base.lua, dap-config.lua, init.lua, lsp-config.lua, lualine-config.lua, noice-config.lua, octo-config.lua, toggleterm-config.lua, which-key-config.lua
- Update nvim and opencode module configurations

modules/home/programs/terminal/nvim/config/lua/octo-config.lua

@@ -1,5 +1,6 @@
 require("octo").setup()
 
+-- Create KeyMaps
 vim.keymap.set("n", "<leader>rs", "<cmd>Octo review start<cr>")
 vim.keymap.set("n", "<leader>rd", "<cmd>Octo review discard<cr>")
 vim.keymap.set("n", "<leader>rr", "<cmd>Octo review resume<cr>")
@@ -8,23 +9,5 @@ vim.keymap.set("n", "<leader>rca", "<cmd>Octo review comments<cr>")
 vim.keymap.set("n", "<leader>rcs", "<cmd>Octo comment suggest<cr>")
 vim.keymap.set("n", "<leader>rcc", "<cmd>Octo comment add<cr>")
 vim.keymap.set("n", "<leader>rcr", "<cmd>Octo comment reply<cr>")
-
 vim.keymap.set("n", "<leader>pd", "<cmd>Octo pr diff<cr>")
 vim.keymap.set("n", "<leader>pc", "<cmd>Octo pr changes<cr>")
-
--- vim.api.nvim_create_autocmd("FileType", {
--- 	pattern = "octo",
--- 	callback = function()
--- 		vim.keymap.set("n", "<leader>rs", "<cmd>Octo review start<cr>", { buffer = true })
--- 		vim.keymap.set("n", "<leader>rd", "<cmd>Octo review discard<cr>", { buffer = true })
--- 		vim.keymap.set("n", "<leader>rr", "<cmd>Octo review resume<cr>", { buffer = true })
--- 		vim.keymap.set("n", "<leader>re", "<cmd>Octo review submit<cr>", { buffer = true })
--- 		vim.keymap.set("n", "<leader>rca", "<cmd>Octo review comments<cr>", { buffer = true })
--- 		vim.keymap.set("n", "<leader>rcs", "<cmd>Octo comment suggest<cr>", { buffer = true })
--- 		vim.keymap.set("n", "<leader>rcc", "<cmd>Octo comment add<cr>", { buffer = true })
--- 		vim.keymap.set("n", "<leader>rcr", "<cmd>Octo comment reply<cr>", { buffer = true })
---
--- 		vim.keymap.set("n", "<leader>pd", "<cmd>Octo pr diff<cr>", { buffer = true })
--- 		vim.keymap.set("n", "<leader>pc", "<cmd>Octo pr changes<cr>", { buffer = true })
--- 	end,
--- })