fix: Added option to change the indent size of list items

WARNING: This does not affect tree-sitter. Tree-sitter only considers
list items with 2n number of spaces.

Ref: #96

lua/definitions.lua

@@ -417,6 +417,9 @@
 --- Enable/Disable custom list items
 ---@field enable boolean?
 ---
+--- Indent size of list items
+---@field indent_size number?
+---
 --- Number of characters to shift per level
 ---@field shift_width number?
 ---

lua/markview.lua

@@ -1379,6 +1379,9 @@ markview.configuration = {
 	},
 
 	list_items = {
+		indent_size = 2,
+		shift_width = 4,
+
 		marker_minus = {
 			add_padding = true,
 

lua/markview/parser.lua

@@ -1,6 +1,8 @@
 local parser = {};
 -- local renderer = require("markview/renderer");
 
+parser.cached_conf = {};
+
 parser.fiter_lines = function (buffer, from, to)
 	local captured_lines = vim.api.nvim_buf_get_lines(buffer, from, to, false);
 	local filtered_lines = {};
@@ -709,6 +711,10 @@ parser.parse_range = function (buffer, config_table, from, to)
 	local root_parser = vim.treesitter.get_parser(buffer);
 	root_parser:parse(true);
 
+	if config_table then
+		parser.cached_conf = config_table;
+	end
+
 	-- Clear the previous contents
 	parser.parsed_content = {};
 

lua/markview/renderer.lua

@@ -1496,7 +1496,7 @@ renderer.render_lists = function (buffer, content, config_table)
 		ls_conf = config_table.marker_dot or {};
 	end
 
-	-- Do not render list types with no configuraton
+	-- Do not render list types with no configuration
 	if not ls_conf then
 		return;
 	end
@@ -1518,10 +1518,12 @@ renderer.render_lists = function (buffer, content, config_table)
 					use_text = "";
 				end
 
+				local level = math.floor(before / (config_table.indent_size or 2)) + 1;
+
 				vim.api.nvim_buf_set_extmark(buffer, renderer.namespace, line_num, 0, {
 					virt_text_pos = "inline",
 					virt_text = {
-						{ string.rep(" ", (math.floor(before / 2) + 1) * shift) },
+						{ string.rep(" ", level * shift) },
 						{ vim.trim(use_text), set_hl(ls_conf.hl) or "Special" }
 					},
 
@@ -1531,10 +1533,12 @@ renderer.render_lists = function (buffer, content, config_table)
 			elseif vim.list_contains(content.list_candidates, l) then
 				local line_len = vim.fn.strchars(line);
 
+				local level = math.floor(before / (config_table.indent_size or 2)) + 1;
+
 				vim.api.nvim_buf_set_extmark(buffer, renderer.namespace, line_num, 0, {
 					virt_text_pos = "inline",
 					virt_text = {
-						{ string.rep(" ", (math.floor(before / 2) + 1) * shift) }
+						{ string.rep(" ", level * shift) }
 					},
 
 					end_col = line_len < before and line_len or before,