fix(docs): Move ast-types to resolutions

[kyletsang]

Getting a number of errors in docs as seen in netlify and my local dev env. This is resolved when rolling back ast-types and babel packages.

https://app.netlify.com/sites/react-bootstrap/deploys/5f7caea18784c00007406ef6

10:54:07 AM: error There was a problem parsing component metadata for file: "AbstractNav.tsx" Maximum call stack size exceeded
10:54:07 AM:
10:54:07 AM:
10:54:07 AM: RangeError: Maximum call stack size exceeded
10:54:07 AM:
10:54:07 AM: - path.js:58 NodePath.get
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path.js:58:26
10:54:07 AM:
10:54:07 AM: - path-visitor.js:200 visitChildren
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:200:38
10:54:07 AM:
10:54:07 AM: - path-visitor.js:166 Visitor.PVp.visitWithoutReset
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:166:20
10:54:07 AM:
10:54:07 AM: - path.js:87 NodePath.each
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path.js:87:26
10:54:07 AM:
10:54:07 AM: - path-visitor.js:178 visitChildren
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:178:18
10:54:07 AM:
10:54:07 AM: - path-visitor.js:166 Visitor.PVp.visitWithoutReset
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:166:20
10:54:07 AM:
10:54:07 AM: - path-visitor.js:203 visitChildren
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:203:25
10:54:07 AM:
10:54:07 AM: - path-visitor.js:166 Visitor.PVp.visitWithoutReset
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:166:20
10:54:07 AM:
10:54:07 AM: - path-visitor.js:203 visitChildren
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:203:25
10:54:07 AM:
10:54:07 AM: - path-visitor.js:166 Visitor.PVp.visitWithoutReset
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:166:20
10:54:07 AM:
10:54:07 AM: - path.js:87 NodePath.each
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path.js:87:26
10:54:07 AM:
10:54:07 AM: - path-visitor.js:178 visitChildren
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:178:18
10:54:07 AM:
10:54:07 AM: - path-visitor.js:166 Visitor.PVp.visitWithoutReset
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:166:20
10:54:07 AM:
10:54:07 AM: - path-visitor.js:203 visitChildren
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:203:25
10:54:07 AM:
10:54:07 AM: - path-visitor.js:166 Visitor.PVp.visitWithoutReset
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:166:20
10:54:07 AM:
10:54:07 AM: - path-visitor.js:203 visitChildren
10:54:07 AM: [www]/[react-docgen]/[ast-types]/lib/path-visitor.js:203:25