update footer, header and home compoents

src/app/header/header.component.scss

@@ -0,0 +1,57 @@
+// :host {
+//   color: var(--mat-sys-primary);
+//   background-color: var(--mat-sys-surface);
+//   padding: 8px 16px;
+//   //   color: var(--mat-sys-on-primary);
+//   //   background-color: var(--mat-sys-primary);
+// }
+
+// header {
+//   font-weight: 700;
+//   font-size: 14px;
+//   letter-spacing: 1px;
+//   text-transform: uppercase;
+// }
+
+// .spacer {
+//   flex-grow: 1;
+// }
+
+.header {
+  color: var(--mat-sys-on-primary);
+  background-color: var(--mat-sys-primary);
+  padding: 0.5rem 1rem;
+  display: flex;
+  align-items: center;
+
+  &__avatar {
+    background-image: url('../../assests/images/rc-header-logo.jpeg');
+    background-size: cover;
+    height: 40px;
+    width: 40px;
+    border-radius: 50%;
+  }
+
+  &__logo {
+    font-size: 1.2rem;
+    text-transform: uppercase;
+    font-weight: 700;
+    letter-spacing: 0.063rem;
+    margin-left: 0.25rem;
+  }
+
+  &__spacer {
+    flex-grow: 1;
+  }
+
+  .header__nav {
+    .header__button {
+
+      &--flat {
+        &:hover {
+          opacity: 1.8; /* Apply opacity change on hover */
+        }
+      }
+    }
+  }
+}