docs: fix build and update deps, add terser resolution

Author: DominikPieper

package.json

@@ -29,9 +29,9 @@
   },
   "private": true,
   "dependencies": {
-    "@docusaurus/core": "^2.0.0-alpha.61",
-    "@docusaurus/plugin-sitemap": "^2.0.0-alpha.37",
-    "@docusaurus/preset-classic": "^2.0.0-alpha.61",
+    "@docusaurus/core": "^2.0.0-alpha.70",
+    "@docusaurus/plugin-sitemap": "^2.0.0-alpha.70",
+    "@docusaurus/preset-classic": "^2.0.0-alpha.70",
     "@nestjs/common": "^7.6.11",
     "@nestjs/core": "^7.6.11",
     "@nestjs/platform-express": "^7.6.11",
@@ -50,7 +50,7 @@
     "@nrwl/nest": "11.2.12",
     "@nrwl/node": "11.2.12",
     "@nrwl/tao": "11.2.12",
-    "@nx-plus/docusaurus": "^10.0.0",
+    "@nx-plus/docusaurus": "10.4.0",
     "@nrwl/workspace": "11.2.12",
     "@types/jest": "26.0.15",
     "@types/node": "12.12.38",
@@ -69,6 +69,9 @@
     "tslint": "6.1.3",
     "typescript": "4.0.5"
   },
+  "resolutions": {
+    "terser": "^4.0.0"
+  },
   "config": {
     "commitizen": {
       "path": "./node_modules/cz-conventional-changelog"