Update README.md

add demo to readme

Author: Var7600

README.md

@@ -7,6 +7,10 @@ going online to search for the specific commands.
 
 Sometimes you can forgot how to do a specific thing in vim(we all been there :innocent:).
 
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+https://github.com/user-attachments/assets/d4f41ca3-17f9-4ae5-b9bd-3ada7ae98ac5
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 ## Installation
 
 - Using **Vim-Plug**
@@ -40,26 +44,26 @@ Plugin 'Var7600/vim-commands'
 ```
 ## SEARCH BY SECTION
 the cheat sheet contents differents sections that you can search for **ALL SECTION ARE IN UPPERCASE**
--  Basic (vim commands)
--  NAVIGATION (move,jump,position in file)
--  JUMPS (location,last modified position,...)
--  DELETION (delete character,word,line,until cursor,until end line)
--  NORMAL MODE -> INSERT MODE(to pass from normal mode to insert mode)
--  CUT,COPY&PASTE (cut,copy and paste portions of text)
--  SEARCH (search word,pattern,...)
--  REPLACE (replace occurrences by another) 
--  CASE (modify case of a character,word,entire line,...)
--  TABS (creates,navigate,move,close tabs)
--  SPLIT (split horizontally,vertically,switch panes,resize,...)
--  BUFFERS (create,navigate,list,close buffer)
--  FILE EXPLORER (built-in-file Explorer)
--  SHELL (using shell commands in vim)
--  ALIGNMENT (align lines for better clarity)
--  READ AND WRITE FILES (insert the content of a file into another,export portions,...)
--  MARKS (marks section of a file,line numbers,...)
--  ABBREVATIONS (define your own abbreviations)
--  TEXT INDENTATION (indent text for readability,...)
--  CTAGS (if installed,allow quick access across files for definitions and functions)
+-  **Basic** (vim commands)
+-  **NAVIGATION** (move,jump,position in file)
+-  **JUMPS** (location,last modified position,...)
+-  **DELETION** (delete character,word,line,until cursor,until end line)
+-  **NORMAL MODE -> INSERT MODE**(to pass from normal mode to insert mode)
+-  **CUT,COPY&PASTE** (cut,copy and paste portions of text)
+-  **SEARCH** (search word,pattern,...)
+-  **REPLACE** (replace occurrences by another) 
+-  **CASE** (modify case of a character,word,entire line,...)
+-  **TABS** (creates,navigate,move,close tabs)
+-  **SPLIT** (split horizontally,vertically,switch panes,resize,...)
+-  **BUFFERS** (create,navigate,list,close buffer)
+-  **FILE EXPLORER** (built-in-file Explorer)
+-  **SHELL** (using shell commands in vim)
+-  **ALIGNMENT** (align lines for better clarity)
+-  **READ AND WRITE FILES** (insert the content of a file into another,export portions,...)
+-  **MARKS** (marks section of a file,line numbers,...)
+-  **ABBREVATIONS** (define your own abbreviations)
+-  **TEXT INDENTATION** (indent text for readability,...)
+-  **CTAGS** (if installed,allow quick access across files for definitions and functions)
 
 ## Customization