Move hive renderer to internal packages

This reverts merge request !5 (merged)

src/renderers/default/embedder/embedders/Embedders.ts

-import {AbstractEmbedder} from './AbstractEmbedder';
-import {SpotifyEmbedder} from './SpotifyEmbedder';
-import {TwitchEmbedder} from './TwitchEmbedder';
-import {VimeoEmbedder} from './VimeoEmbedder';
-import {YoutubeEmbedder} from './YoutubeEmbedder';
-
-export class Embedders {
-    public static LIST: AbstractEmbedder[] = [
-        //
-        new YoutubeEmbedder(),
-        new VimeoEmbedder(),
-        new TwitchEmbedder(),
-        new SpotifyEmbedder()
-    ];
-
-    public static processTextNodeAndInsertEmbeds(node: HTMLObjectElement): {links: string[]; images: string[]} {
-        const out: {links: string[]; images: string[]} = {links: [], images: []};
-
-        for (const embedder of Embedders.LIST) {
-            const metadata = embedder.getEmbedMetadata(node);
-            if (metadata) {
-                node.data = node.data.replace(metadata.url, AbstractEmbedder.getEmbedMarker(metadata.id, embedder.type));
-                if (metadata.image) out.images.push(metadata.image);
-                if (metadata.link) out.links.push(metadata.link);
-            }
-        }
-        return out;
-    }
-
-    public static insertMarkedEmbedsToRenderedOutput(input: string, size: {width: number; height: number}): string {
-        return AbstractEmbedder.insertAllEmbeds(Embedders.LIST, input, size);
-    }
-}