[IMP] Add .env.example & notation for template

.env.example

@@ -0,0 +1,9 @@
+USER=app
+GROUP=app
+UID=1000
+GID=1000
+DB_HOST=docker.host.internal
+DB_PORT=5432
+DB_NAME=postgres
+DB_USER=pg_admin
+DB_PASS=password

python/templates/app.html

@@ -58,6 +58,7 @@
                     </span>
                 </div>
 
+                <!-- Main Container -->
                 <main class="container">
                     <div class="container">
                         <div class="row">
@@ -266,7 +267,7 @@
     </div>
 </div>
 
-<!-- Assets -->
+<!-- Zapp's Testimonial -->
 <!--    #         ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⣤⣴⣶⣶⣦⡀            -->
 <!--    #         ⠀⣤⡀⢀⣤⣶⣶⣶⣶⣶⣶⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿            -->
 <!--    #         ⢀⣈⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿            -->
@@ -282,9 +283,9 @@
 <!--    #         ⠀⠀⠀⠀⣿⠀⠀⠀⠀⠀⠀⠉⠙⠛⠛⠛⠛⠛⠛⢛⣿⠇⠀            -->
 <!--    #         ⠀⠀⠀⠀⣿⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⡏⠀⠀            -->
 <!--    #         ⠀⠀⠀⠀⠻⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⠃⠀⠀            -->
-
 <!-- "She’s built like a steakhouse but handles like a bistro." -->
 
+<!-- JavaScript -->
 <script src="https://code.jquery.com/jquery-3.7.0.min.js" crossorigin="anonymous"></script>
 <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"
         crossorigin="anonymous"></script>