feat(api): insert members into database + testing

backend/tests/test_model_member.py

@@ -1,4 +1,8 @@
-from src.neo_neo_todo.models.member import select_member_by_email, select_member_by_id
+from src.neo_neo_todo.models.member import (
+    insert_member,
+    select_member_by_email,
+    select_member_by_id,
+)
 
 
 async def test_model_member_select_by_email(db_pool):
@@ -11,3 +15,13 @@ async def test_model_member_select_by_id(db_pool):
     member = await select_member_by_id(db_pool, 1)
     assert member is not None
     assert member.id == 1
+
+
+async def test_model_member_insert(db_pool):
+    member = await insert_member(
+        db_pool, "member_inserted@todo.test", "alkasdjfhasldkfjh12341238989"
+    )
+    assert member is not None
+    assert member.id == 2
+    assert member.email == "member_inserted@todo.test"
+    assert member.password_hash == "alkasdjfhasldkfjh12341238989"