feat: add update-template command to synchronize task.template with library.md

- Added `update-template` command that extracts rows from `library.md` and updates `task.template`
- Implemented logic to replace existing rows in `task.template` with current rows from `library.md`
- Added `update-template` to help-table for documentation and discoverability
- Updated `library.md` to use consistent terminology (dotenv instead of env)
- Removed outdated prompt script that was no longer needed
- Ensured all rows from `library.md` are properly synchronized with `task.template`

task

@@ -17,6 +17,7 @@ help-table() {
     rows+=("run||Run Docker image.")
     rows+=("run-tests||Test with shellcheck.")
     rows+=("serve-11ty||Serve the 11ty output folder.")
+    rows+=("update-template||Update task.template from library.md.")
     rows+=("version||Show version of required tools.")
 
     for row in "${rows[@]}"; do
@@ -124,6 +125,58 @@ version() {
     echo "eleventy: $(pnpm dlx @11ty/eleventy --version)"
 }
 
+update-template() {
+    echo "Updating task.template from library.md"
+    
+    # Extract all rows from library.md that match the pattern rows+=("...")
+    local -a new_rows
+    while IFS= read -r line; do
+        if [[ $line =~ rows\+=\(\"(.*)\"\) ]]; then
+            new_rows+=("${BASH_REMATCH[1]}")
+        fi
+    done < library.md
+    
+    # Create a temporary file
+    local temp_file=$(mktemp)
+    
+    # Read the task.template file and update the rows section
+    local in_rows_section=false
+    local found_header=false
+    
+    while IFS= read -r line || [[ -n "$line" ]]; do
+        # Check if we're at the header row
+        if [[ $line == *"rows+=(\"Command|Option|Description\")"* ]]; then
+            echo "$line" >> "$temp_file"
+            found_header=true
+            in_rows_section=true
+            # Add all the new rows after the header
+            for row in "${new_rows[@]}"; do
+                echo "    rows+=(\"$row\")" >> "$temp_file"
+            done
+            continue
+        fi
+        
+        # Check if we're at the for-loop that ends the rows section
+        if [[ $line == *"for row in \"\${rows[@]}\""* ]]; then
+            in_rows_section=false
+        fi
+        
+        # Skip existing rows between header and for-loop
+        if $in_rows_section && $found_header; then
+            if [[ $line =~ rows\+=\(\"(.*)\"\) ]]; then
+                continue
+            fi
+        fi
+        
+        echo "$line" >> "$temp_file"
+    done < task.template
+    
+    # Replace task.template with the updated content
+    mv "$temp_file" task.template
+    
+    echo "task.template updated successfully"
+}
+
 if [[ "$1" == *","* ]]; then
     # Split comma-separated commands
     IFS=',' read -ra COMMANDS <<< "$1"