fixup! CI message first test

.github/workflows/api.yml

@@ -143,21 +143,29 @@ jobs:
             python ../bench/cli.py \
               stamp bench_admin_stats.csv $(git rev-parse --short "${GITHUB_SHA}") \
                 > bench_admin_stats_stamped.csv
+      # TODO
+      #
+      # Add markdown header
+      # explain that it's a diff: what a negative value means?
       - name: Generate markdown table
         run: |
+          echo -e "### Current benchmark\n" >> bench_admin_stats.md && \
+          pipenv run csvlook -I bench_admin_stats_stamped.csv >> bench_admin_stats.md && \
+          echo -e "### Comparisition with the latest previous benchmark\n" >> bench_admin_stats.md && \
+          echo "> A negative value means the current version performs better than the previous one."
           pipenv run \
             python ../bench/cli.py diff ../../data/bench.csv bench_admin_stats_stamped.csv | \
             pipenv run \
-              csvlook > bench_admin_stats_diff.md
-          cat bench_admin_stats_diff.md
+              csvlook -I >> bench_admin_stats.md
+          cat bench_admin_stats.md
       # TODO
       # - Save the csv file as artefact
       # - Improve readFile PATH
       - uses: actions/github-script@v7
         with:
           script: |
             const fs = require('node:fs');
-            fs.readFile('/home/runner/work/qualicharge/qualicharge/src/api/bench_admin_stats_diff.md', 'utf8', (err, data) => {
+            fs.readFile('/home/runner/work/qualicharge/qualicharge/src/api/bench_admin_stats.md', 'utf8', (err, data) => {
               if (err) {
                 console.error(err);
                 return;