Refactor master builds - Githubissues

Use angular master builds.
Fix resulting TS errors due to:
- window["webkitSpeechRecognition"] usage --> missing typing
- api-ai-javascript/indeximport --> conflicting typing on MediaStreamAudioDestinationNode between custom version in (api-ai-javascript/declaratios.d.ts) and standard from lib.dom.d.ts (dom types)

This PR is related to #11

manekinekko / angular-search-experience