Update documentation / demo following callout icon PR

# Details

Follow up to: #37

Updates the demo, README, and vim doc after changes to default icons.

Author: MeanderingProgrammer

README.md

@@ -148,11 +148,11 @@ require('render-markdown').setup({
     quote = '┃',
     -- Symbol / text to use for different callouts
     callout = {
-        note = '  Note',
-        tip = '  Tip',
-        important = '󰅾  Important',
-        warning = '  Warning',
-        caution = '󰳦  Caution',
+        note = '󰋽 Note',
+        tip = '󰌶 Tip',
+        important = '󰅾 Important',
+        warning = '󰀪 Warning',
+        caution = '󰳦 Caution',
     },
     -- Window options to use that change between rendered and raw view
     win_options = {

demo/callout.gif

@@ -1,4 +1,4 @@
-*render-markdown.txt*           For 0.10.0           Last change: 2024 June 08
+*render-markdown.txt*           For 0.10.0           Last change: 2024 June 10
 
 ==============================================================================
 Table of Contents                          *render-markdown-table-of-contents*
@@ -184,11 +184,11 @@ modified by the user.
         quote = '┃',
         -- Symbol / text to use for different callouts
         callout = {
-            note = '  Note',
-            tip = '  Tip',
-            important = '󰅾  Important',
-            warning = '  Warning',
-            caution = '󰳦  Caution',
+            note = '󰋽 Note',
+            tip = '󰌶 Tip',
+            important = '󰅾 Important',
+            warning = '󰀪 Warning',
+            caution = '󰳦 Caution',
         },
         -- Window options to use that change between rendered and raw view
         win_options = {