Plans to renovate Ellsworth’s historic public library are in limbo while staff wait on federal funding to finance the nearly $6 million project. In March, the library applied for $3 million in congressionally directed spending, also known as earmarks, which will be paired with a $2 million city loan and $1 million in anticipated private fundraising. The renovation would expand the property — made up of the 209-year-old Tisdale House and a three-…