Rename project to RealCV with new logo and font updates

- Rename all TrueCV references to RealCV across the codebase
- Add new transparent RealCV logo
- Switch from JetBrains Mono to Inter font for better number clarity
- Update solution, project files, and namespaces

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/RealCV.Application/Models/TimelineOverlap.cs

@@ -0,0 +1,10 @@
+namespace RealCV.Application.Models;
+
+public sealed record TimelineOverlap
+{
+    public required string Company1 { get; init; }
+    public required string Company2 { get; init; }
+    public required DateOnly OverlapStart { get; init; }
+    public required DateOnly OverlapEnd { get; init; }
+    public required int Months { get; init; }
+}