plugings: move from true-zen to zen-mode

- Removes the true-zen.nim plugin.
- Adds the zen-mode.nvim plugin in hope of a better and simpler
  experience.

Co-Authored-by: iGor milhit <igor@milhit.ch>

README.md

@@ -93,7 +93,7 @@ I won't provide links for each of these plugins as they are easily to be found.
 - `autopairs.nvim`.
 - `Comment.nvim` to comment lines and blocs.
 - `ident-blankline.nvim` to improve readability of indentation.
-- `true-zen.nvim` for a good zen mode.
+- `zen-mode.nvim` for a good zen mode.
 - `toggleterm.nvim` to quickly get a terminal. Might find a better one.
 - `rainbow-csv.nvim` to manage CSV files.
 - `venv-selector.nvim` to ease python virtual env.

lua/plugins/true-zen.lua

@@ -1,35 +0,0 @@
-local api = vim.api
-
-api.nvim_set_keymap("n", "<leader>zn", ":TZNarrow<CR>", {})
-api.nvim_set_keymap("v", "<leader>zn", ":'<,'>TZNarrow<CR>", {})
-api.nvim_set_keymap("n", "<leader>zf", ":TZFocus<CR>", {})
-api.nvim_set_keymap("n", "<leader>zm", ":TZMinimalist<CR>", {})
-api.nvim_set_keymap("n", "<leader>za", ":TZAtaraxis<CR>", {})
-
-return {
-  "Pocco81/true-zen.nvim",
-  -- Twilight allows to dim text outside of the cursor line.
-  dependencies = {
-    "folke/twilight.nvim",
-    opts = {
-      -- Set the context to null in order to avoid highlighting to much
-      -- paragraphs in markdown.
-      context = 0,
-    },
-  },
-  config = function ()
-    require('true-zen').setup({
-      modes = {
-        ataraxis = {
-          minimum_writing_area = {
-            width = 100
-          }
-        }
-      },
-      integrations = {
-        twilight = true,
-        lualine = true
-    }
-  })
-  end
-}

lua/plugins/zen-mode.lua

@@ -0,0 +1,28 @@
+-- Install and configure zen-mode.nvim
+--  https://github.com/folke/zen-mode.nvim
+
+-- Set a keymap to toggle zen mode
+vim.keymap.set(
+  "n",
+  "<leader>z",
+  "<cmd>ZenMode<cr>",
+  { desc = "[zen-mode] Toggle zen mode" }
+)
+
+return {
+  "folke/zen-mode.nvim",
+  opts = {
+    -- your configuration comes here
+    -- or leave it empty to use the default settings
+    -- refer to the configuration section below
+    window = {
+      backdrop = 1,
+      height = .8,
+      width = 90,
+      options = {
+        signcolumn = "no",
+        foldcolumn = "0",
+      }
+    }
+  }
+}