Add CI/CD build and deploy scripts, along with docker-compose, HAProxy config, and a certbot

merge hook. Set up env.example generation. Add doiuse dev dependency.

src/pages/css-test.astro

@@ -469,7 +469,8 @@
               <audio controls=""
                 ><source
                   src="https://dl.espressif.com/dl/audio/ff-16b-2c-44100hz.aac"
-                />audio</audio>
+                />audio</audio
+              >
             </div>
             <footer><p><a href="#top">Top</a></p></footer>
           </article>
@@ -705,7 +706,11 @@
               </p>
               <p>
                 <label for="idt">Datetime input</label>
-                <input type="datetime" id="idt" value="1970-01-01T00:00:00Z" />
+                <input
+                  type="datetime-local"
+                  id="idt"
+                  value="1970-01-01T00:00:00Z"
+                />
               </p>
               <p>
                 <label for="idtl">Datetime-local input</label>