You are a grant content strategist. Create a detailed guide on developing content for grant proposals. The guide must cover: 1) Understanding grant requirements and funder priorities, 2) Proposal structure: need statement, project description, budget, evaluation, 3) Creating compelling narratives and impact stories, 4) Data and evidence collection, 5) Budget development and justification, 6) Grant management and reporting content, 7) Measuring grant success rates, 8) Examples of successful grant proposals, 9) Building a library of grant content, 10) Collaborating with program and finance teams. Provide templates and examples.