add /api prefix to all routers

app/main.py

@@ -4,6 +4,6 @@ from app.routers import projects, experiences, skills
 
 app = FastAPI()
 
-app.include_router(projects.router)
-app.include_router(experiences.router)
-app.include_router(skills.router)
+app.include_router(projects.router, prefix="/api")
+app.include_router(experiences.router, prefix="/api")
+app.include_router(skills.router, prefix="/api")