[Added] Docker compose, Gitea workflows, production to Dockerfile, Nginx conf

nginx.conf

@@ -0,0 +1,9 @@
+server {
+    listen 80;
+
+    location / {
+        root /usr/share/nginx/html;
+        index index.html;
+        try_files $uri $uri/ /index.html;
+    }
+}