Add license header

Signed-off-by: Lukasz Gryglicki <[email protected]>

Assisted by [OpenAI](https://platform.openai.com/)
Assisted by [GitHub Copilot](https://github.com/features/copilot)

Author: lukaszgryglicki

utils/calculate_api_stats.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
 # Copyright The Linux Foundation and each contributor to CommunityBridge.
 # SPDX-License-Identifier: MIT
+
+
 if [ -z "$STAGE" ]
 then
   export STAGE=prod

utils/count_apis.sh

@@ -1,4 +1,7 @@
 #!/bin/bash
+# Copyright The Linux Foundation and each contributor to CommunityBridge.
+# SPDX-License-Identifier: MIT
+
 if [ -z "${1}" ]
 then
   echo "Usage: $0 <path-to-api-logs>"