refactor: complete overhaul

Complete overhaul of repo structure based on nvix.

See https://github.com/niksingh710/nvix

Signed-off-by: Lander Van den Bulcke <landervandenbulcke@gmail.com>

plugins/lsp/conform.nix

@@ -0,0 +1,56 @@
+# formatter with lsp fallback
+{ lib, pkgs, ... }:
+{
+  plugins.conform-nvim = {
+    enable = true;
+
+    settings = {
+      default_format_opts.lsp_format = "prefer";
+      notify_on_error = true;
+
+      format_on_save = ''
+        function(bufnr)
+          if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+            return
+          end
+
+          if slow_format_filetypes[vim.bo[bufnr].filetype] then
+            return
+          end
+
+          local function on_format(err)
+            if err and err:match("timeout$") then
+              slow_format_filetypes[vim.bo[bufnr].filetype] = true
+            end
+          end
+
+          return { timeout_ms = 200, lsp_fallback = true }, on_format
+         end
+      '';
+
+      format_after_save = ''
+        function(bufnr)
+          if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+            return
+          end
+
+          if not slow_format_filetypes[vim.bo[bufnr].filetype] then
+            return
+          end
+
+          return { lsp_fallback = true }
+        end
+      '';
+
+      formatters_by_ft = {
+        "_" = [
+          "squeeze_blanks"
+          "trim_whitespace"
+          "trim_newlines"
+        ];
+      };
+
+      formatters.squeeze_blanks.command = lib.getExe' pkgs.coreutils "cat";
+    };
+  };
+}