AH initial review + add content to Handbook

[AHolder1]

Review, streamline, add content to each page of the Handbook

• [x] Convert to Quarto site (according to Issue)
  • [x] Create image sub-folders within each section folder, move images accordingly
• [x] Welcome
• [x] Background
• [x] Getting Started
  • [x] Best Practices
  • [x] Establishing Common Language
• [x] Publish Your Data (See Issue for more details)
• [x] Plan & Prepare
  • [x] Planning
  • [x] Data Preparation
• [x] Collect & Process
  • [x] Data Sources (maybe rename to Data Collection and have Data Sources & Data Limitations sections?)
  • [ ] Data Collection < skipping for now - will revisit after other pages are complete
  • [x] Surveys (merged with data collection page)
  • [x] Data Limitation (merge with data sources on to be created Data Collection page?)
  • [x] Data Processing (create page and go over tidying with an equity lens)
• [x] Assure & Analyze
  • [x] Quality Assurance
  • [ ] Data Analysis
  • [ ] Data Visualization
  • [x] Demographics Data (merged with data collection page)
  • [x] CalEnviroScreen (merged with data collection page)
• [ ] Preserve & Store
• [ ] Publish & Share
• [ ] Discover & Integrate (aka process Evaluation)
• [ ] Describe (aka Documentation)
• [x] Use Cases
  • [ ] SWAMP
  • [ ] Demographics Data
• [ ] Resources (if page is getting too long - consider creating a resource section and adding pages for each resource type)
• [x] Inspiration