Improve static resources directory structure

src/assets/style/main.css

@@ -1,31 +0,0 @@
-body {
-    margin: 0;
-}
-
-header {
-    text-align: center;
-}
-
-header h1 {
-    margin-bottom: 0;
-}
-
-form {
-    display: flex;
-    justify-content: center;
-    margin-top: 20px;
-    width: 100%;
-}
-
-form button{
-    margin-left: 10px;
-}
-
-form input{
-    width: 80%;
-}
-
-footer{
-    text-align: center;
-    margin-top: 20px;
-}

src/assets/style/nav/navbar/navbar.css

@@ -1,23 +0,0 @@
-.global-nav {
-    display: flex;
-    justify-content: center;
-    padding: 10px 0;
-    border-bottom: 1px solid #000000;
-}
-
-.global-nav ul {
-    display: flex;
-    list-style: none;
-    margin: 0;
-    padding: 0;
-    gap: 30px;
-}
-
-.nav-item a {
-    text-decoration: none;
-    color: black;
-}
-
-.nav-item a:hover {
-    text-decoration: underline;
-}