Add hobbies page and update projects WIP UI

Introduced a new HobbiesComponent with routing and navigation updates. Removed unused ProjectDetailsComponent. Enhanced the projects page with a new 'work in progress' UI and improved .gitattributes for better file handling.

src/app/pages/projects/projects.component.html

@@ -1 +1,6 @@
-<p>Working in progress!</p>
+<div class="wip">
+  <div class="dots">
+    <span></span><span></span><span></span>
+  </div>
+  <p>Work in progress…</p>
+</div>

src/app/pages/projects/projects.component.scss

@@ -0,0 +1,29 @@
+.wip {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: .75rem;
+  padding: 2rem;
+  opacity: .9;
+}
+
+.dots {
+  display: flex;
+  gap: .5rem;
+}
+
+.dots span {
+  width: 10px;
+  height: 10px;
+  background: var(--app-fg);
+  border-radius: 50%;
+  animation: pulse 1.4s infinite ease-in-out;
+}
+
+.dots span:nth-child(2) { animation-delay: .2s; }
+.dots span:nth-child(3) { animation-delay: .4s; }
+
+@keyframes pulse {
+  0%, 80%, 100% { opacity: .3; transform: scale(1); }
+  40% { opacity: 1; transform: scale(1.4); }
+}