rewrite with commander

src/handlers/forget.ts

@@ -0,0 +1,13 @@
+import { checkAndConfigureBackendsForLocations } from '../backend'
+import { forgetAll } from '../forget'
+import { Flags, Locations } from '../types'
+import { checkIfResticIsAvailable, parseLocations } from '../utils'
+
+export default function forget({ location, all, dryRun }: Flags) {
+  checkIfResticIsAvailable()
+  const locations: Locations = parseLocations(location, all)
+  checkAndConfigureBackendsForLocations(locations)
+  forgetAll(locations, dryRun)
+
+  console.log('\nFinished!'.underline + ' 🎉')
+}