feat: Adding LSP configs for ansiblels, arduino_language_server,

marksman. Adding documentation for LSP configs. Removing Mason config
and the reference to nvim-lspconfig.

nvim/after/lsp/arduino_language_server.lua

@@ -0,0 +1,20 @@
+-- local util = require 'lspconfig.util'
+
+return {
+    filetypes = { 'arduino' },
+    root_dir = function(bufnr, on_dir)
+        local fname = vim.api.nvim_buf_get_name(bufnr)
+        -- on_dir(util.root_pattern('*.ino')(fname))
+    end,
+    cmd = {
+        'arduino-language-server',
+    },
+    capabilities = {
+        textDocument = {
+            semanticTokens = vim.NIL,
+        },
+        workspace = {
+            semanticTokens = vim.NIL,
+        },
+    },
+}