Refactor: Extract project color mappings to composable

Co-authored-by: ArthurDanjou <29738535+ArthurDanjou@users.noreply.github.com>

app/composables/projects.ts

@@ -0,0 +1,21 @@
+export function useProjectColors() {
+  const statusColors: Record<string, string> = {
+    'active': 'green',
+    'completed': 'blue',
+    'archived': 'gray',
+    'in-progress': 'amber'
+  }
+
+  const typeColors: Record<string, string> = {
+    'Personal Project': 'purple',
+    'Academic Project': 'sky',
+    'Infrastructure Project': 'emerald',
+    'Internship Project': 'orange',
+    'Research Project': 'blue'
+  }
+
+  return {
+    statusColors,
+    typeColors
+  }
+}