style(SCRIPTS): standardize script headers

{{cookiecutter.project_slug}}/.github/scripts/notifications.sh

@@ -1,7 +1,19 @@
 #!/bin/bash
 
-# Takes two text arguments
-# Message Format: <ARG1>: <ARG2>
+# .github/scripts/notifications.sh
+# Sends a notification to slack.
 
-[[ -z ${WEBHOOK_URL} ]] && exit 0
-curl -X POST -H 'Content-type: application/json' --data "{\"text\":\"${1}: ${2}\"}" "${WEBHOOK_URL}"
+# 1:            The branch information to display.
+# 2:            The notification message to send.
+# WEBHOOK_URL:  The slack webhook url to use.
+
+# CI only script.
+
+main() {
+
+  [[ -z ${WEBHOOK_URL} ]] && exit 0
+  curl -X POST -H 'Content-type: application/json' --data "{\"text\":\"${1}: ${2}\"}" "${WEBHOOK_URL}"
+
+}
+
+main "$@"

{{cookiecutter.project_slug}}/.github/scripts/pushed_commit_range.sh

@@ -3,7 +3,7 @@
 # .github/scripts/pushed_commit_range.sh
 # Retrieves the range of the commits in a push, and sets the PUSHED_COMMIT_RANGE environment variables.
 
-# GITHUB_CONTEXT:  The github action context object as an environment variable.
+# GITHUB_CONTEXT: The github action context object as an environment variable.
 
 # CI only script