Add support for .js/.ts files to licence check

This helps support vscode-swift, written in TypeScript

Author: plemarquand

.github/workflows/scripts/check-license-header.sh

@@ -59,6 +59,10 @@ while IFS= read -r file_path; do
     swift) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
     h) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
     c) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    js) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    jsx) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    ts) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
+    tsx) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;
     sh) expected_file_header=$(cat <(echo '#!/bin/bash') <(sed -e 's|@@|##|g' <<<"${expected_file_header_template}")) ;;
     ps1) expected_file_header=$(sed -e 's|@@|##|g' <<<"${expected_file_header_template}") ;;
     kts) expected_file_header=$(sed -e 's|@@|//|g' <<<"${expected_file_header_template}") ;;