Refactor: Update neovim configuration

This commit refactors the neovim configuration to include several updates:

-   Added LSP support for Zig (`zls`).
-   Added `analyzer` and `zls` to `ale` linters.
-   Added `zigfmt` to `ale` fixers.
-   Added `towolf/vim-helm` as a plugin.
-   Added configuration for `lualine` to display Treesitter status.
-   Included SSH config from `conf.d/*.conf`.
-   Updated keymaps for LSP formatting.
-   Modified tabwidth and shiftwidth for rust files.

home/dot_config/nvim/lua/basic/setup.lua

@@ -11,7 +11,6 @@ cmd "set tabstop=2"
 cmd "set shiftwidth=2"
 cmd "set expandtab"
 cmd "set nofoldenable"
-cmd "set pastetoggle=<F2>"
 
 -- always show status
 cmd "set laststatus=2"
@@ -65,3 +64,10 @@ vim.diagnostic.get(0, { severity = {
 } })
 vim.diagnostic.config({virtual_text = false, signs = true})
 
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = "rust",
+  callback = function()
+    vim.opt_local.shiftwidth = 4
+    vim.opt_local.tabstop = 4
+  end
+})