generate content

[jmotis]

• [ ] header on the context overview page
• [ ] description of all the data for the data overview page
• [ ] header on the analysis overview page
• [ ] pedagogy placeholder text
• [ ] about content already flagged in issue #108 and #107
• [ ] death dictionary already flagged in issue #67

[jmotis]

also should update and upload the parish name authority file?