feat: get projects endpoint

services/__init__.py

@@ -0,0 +1 @@
+from .project import ProjectService as ProjectService

services/project.py

@@ -0,0 +1,15 @@
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from repositories.project import ProjectRepository
+from schemas.project import GetProjectsResponse, ProjectSchema
+
+
+class ProjectService:
+    def __init__(self, session: AsyncSession):
+        self.repository = ProjectRepository(session)
+
+    async def get_projects(self) -> GetProjectsResponse:
+        projects = await self.repository.get_all()
+        return GetProjectsResponse(
+            projects=[ProjectSchema.model_validate(project) for project in projects]
+        )