feat(techdocs): implement composable home page

Signed-off-by: Phil Kuang <pkuang@factset.com>

plugins/techdocs/package.json

@@ -45,7 +45,7 @@
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "4.0.0-alpha.45",
     "@material-ui/styles": "^4.10.0",
-    "@types/react": "^16.9",
+    "@types/react": "*",
     "dompurify": "^2.2.9",
     "event-source-polyfill": "^1.0.25",
     "lodash": "^4.17.21",
@@ -70,7 +70,6 @@
     "@types/dompurify": "^2.2.2",
     "@types/jest": "^26.0.7",
     "@types/node": "^14.14.32",
-    "@types/react": "*",
     "canvas": "^2.6.1",
     "cross-fetch": "^3.0.6",
     "msw": "^0.29.0"