fix(template): update template for `@ctix-declaration`

[imjuni]

• update template for @ctix-declaration
• fixed issue where semicolon was not added at the end of lines - fixed issue where newline character was not applied correctly

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (998e3be) to head (f33d2b6). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #159 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 84 84 Lines 2728 2727 -1 Branches 397 397 ========================================= - Hits 2728 2727 -1 ```

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