feat(task): remove redundant newline in init-dotenv-dir help description

- Clean up formatting in help table for `init-dotenv-dir` command
- Ensure consistency with other command descriptions in the help table
- No functional changes, only cosmetic improvement to documentation

task.template

@@ -9,7 +9,7 @@ help-table() {
     printf "$column" "Command" "Option" "Description"
     echo "|$(printf '%*s' $((cmd_width + 2)) '' | tr ' ' '-')|$(printf '%*s' $((opt_width + 2)) '' | tr ' ' '-')|$(printf '%*s' $((desc_width + 2)) '' | tr ' ' '-')|"
     # Task
-    printf "$column" 'init-dotenv-dir' '' 'Setup task dotenv dir.
+    printf "$column" 'init-dotenv-dir' '' 'Setup task dotenv dir.'
     printf "$column" 'template-dotenv' '' 'Generate .env from .env.template.'
     printf "$column" 'open-with-os' '' 'Open file or url with default application.'
     printf "$column" 'open-url-with-delay' '[url][delay]' 'Open url after n seconds.'