feat: Removing nvim-lspconfig and starting the removal of Mason, adding

in LSP definitions for servers that are used, adding in a script to
check for LSPs, removing some extraneous items in the tmux conf, moving
autopairs to its own file

nvim/after/lsp/marksman.lua

@@ -1,3 +1,4 @@
 return {
-    filetypes = { 'md', 'markdown', 'telekasten' }
+    cmd = { 'marksman' },
+    filetypes = { 'md', 'markdown', 'telekasten' },
 }