add experience_links table

apps/backend/app/schemas/experience.py

@@ -7,6 +7,13 @@ class ExperienceTaskResponse(BaseModel):
     class Config:
         from_attributes = True
 
+class ExperienceLinkResponse(BaseModel):
+    id: int
+    link: str
+
+    class Config:
+        from_attributes = True
+
 class ExperienceResponse(BaseModel):
     id: int
     company: str