refactor: improve templater formatting

Misc/Templater.bash

@@ -380,8 +380,8 @@ usage() {
 	# POSIX Compliant:
 	#   Yes
 	#
-	printf "Usage: %s\n" \
-		"$(basename "${0}") [OPTIONS]
+	cat <<EOF
+Usage: $(basename ${0}) [OPTIONS]
   $(arg_required "REQUIRED")
   $(arg_optional "OPTIONAL")
 
@@ -410,7 +410,8 @@ usage() {
     $(arg_description "Do not exit on any errors, continue executing
 
     Example:
-			--no-exit")"
+      --no-exit")
+EOF
 
 }
 
@@ -474,7 +475,7 @@ main() {
 		shift
 	done
 	[[ -z "${template_file}" ]] &&
-		log "error" "No template file provided, exiting" &&
+		log "error" "No template file provided, exiting! Check \`-h\` for help." &&
 		exit 1
 	templater "${template_file}"
 }