chore(lua/plugins): cleanup and reorganize plugin configurations, dropping deprecated plugins and introducing new folding, smoothing, and screenshot tools

New Features:
- Added ufo.nvim for advanced folding with Treesitter and indent providers
- Added neoscroll.nvim for smooth scrolling
- Added smartcolumn.nvim to enforce colorcolumn only when needed
- Added codesnap.nvim for markdown screenshot generation
- Added Markview toggle shortcut for markdown preview

Enhancements:
- Configured folding options (foldcolumn, foldlevel, provider selector)
- Added keybindings for opening/closing all folds and toggling fold visibility
- Updated plugin loading conditions and lazy loading patterns

Bug Fixes: — No bug fixes included in this change —

lua/plugins/util.lua

@@ -72,12 +72,6 @@ return {
         end,
     },
 
-    -- smooth scrolling
-    {
-        'karb94/neoscroll.nvim',
-        opts = {},
-    },
-
     -- discord presence
     -- {
     -- 	"vyfor/cord.nvim",
@@ -117,29 +111,6 @@ return {
         opts = {},
     },
 
-    -- Screenshot Tool
-    {
-        'mistricky/codesnap.nvim',
-        build = 'make',
-        cmd = {
-            'CodeSnap',
-            'CodeSnapSave',
-            'CodeSnapHighlight',
-            'CodeSnapSaveHighlight',
-            'CodeSnapASCII',
-        },
-        opts = {
-            bg_theme = 'dusk',
-            code_font_family = 'JetBrainsMono Nerd Font',
-            save_path = os.getenv('XDG_SCREENSHOTS_DIR') or (os.getenv('HOME') .. '/Pictures'),
-            watermark = 'SANKALP',
-            watermark_font_family = 'Anurati',
-            has_breadcrumbs = true,
-            breadcrumbs_separator = '/',
-            has_line_number = true,
-        },
-    },
-
     -- buffer manager
     {
         'serhez/bento.nvim',