Add typing to resource.igv

Description

[Describe changes/solution; problem description should be in issue]

Related issues

Notes to review (code/docs/QA)

closes #2073 (closed) #2074 (closed) #2075 (closed) #2076 (closed) #2077 (closed) #2078 (closed) #2079 (closed) #2080 (closed) #2081 (closed) #2082 (closed)

Tests

General

• Tests have been added that prove my fix is effective or that my feature works
• Related tests have been modified/removed

Hypothesis testing:

• Soak testing has been done
• Distribution between positive / negative cases has been checked

Database

• Includes changes to database schema
• Includes necessary database migrations

Configuration

• Includes changes to configuration
• Includes configuration migration instructions in documentation