better error handling

create response was missing @id

macos app bump version

readme update

implemented all annotations methods + refactor: use julienschmidt/httprouter, rs/zerolog

missing mirador skins

use go modules

bump mirador 2.7.0 + annotationEndpoint.js update

macos build: fix version and BundleIdentifier

annotation query: check the "q" param

db: add index on target field (canvas)

readme update

readme update

annotation create: return the annotation body with the generated @id

fix name of annotationEndpoint