fix(ui): Fix help text and usage examples

Updates the help documentation to fix inconsistent formatting and add
missing information:
- Adds documentation for the new 'r' refresh key functionality
- Fixes incorrect escaping in glob pattern examples
- Adds missing --deps and --max-depth flag documentation
- Corrects spacing and indentation in usage examples

Author: epilande

internal/ui/help.go

@@ -27,6 +27,7 @@ Selection & Output:
 View Options:
   i                        Toggle .gitignore filter
   .                        Toggle hidden files
+  r                        Refresh file list & reset selection
   ?                        Toggle help screen
   q                        Quit`
 
@@ -39,10 +40,12 @@ const UsageText = `Usage:
     -o, --output file        Output file path (default: current directory)
     -t, --temp               Use system temporary directory for output file
     -g, --glob pattern       Include/exclude files and directories
-                             (e.g., --glob="*.{ts,tsx}" --glob="\\!*.spec.ts")
+                             (e.g., --glob="*.{ts,tsx}" --glob="\!*.spec.ts")
     -f, --format format      Output format (available: markdown, text, xml)
     -S, --skip-redaction     Skip automatic secret redaction (Default: false)
                              WARNING: This may expose sensitive information!
+    --deps                   Automatically include direct dependencies (Go, JS/TS)
+    --max-depth depth        Maximum depth for dependency resolution (-1 for unlimited, default: 1)
     --theme                  Set the UI theme (available: catppuccin-latte,
                              catppuccin-frappe, catppuccin-macchiato,
                              catppuccin-mocha, dracula, nord)
@@ -51,11 +54,11 @@ const UsageText = `Usage:
     # Grab files in current directory interactively
     grab
 
-	  # Grab all files in current directory (non-interactive)
-		grab -n
+    # Grab all files in current directory (non-interactive)
+    grab -n
 
     # Grab specific directory interactively including dependencies
-		grab --deps /path/to/project
+    grab --deps /path/to/project
 
     # Specify custom output file
     grab -o output.md /path/to/project
@@ -67,4 +70,4 @@ const UsageText = `Usage:
     grab -g="*.go" /path/to/project
 
     # Multiple glob patterns
-    grab -g="*.{ts,tsx}" -g="\\!*.spec.{ts,tsx}"`
+    grab -g="*.{ts,tsx}" -g="\!*.spec.{ts,tsx}"`