docs: Add package metadata

package.json

@@ -1,6 +1,18 @@
 {
   "name": "@solid/community-server",
   "version": "0.1.0",
+  "description": "Community Solid Server: an open and modular implementation of the Solid specifications",
+  "keywords": [
+    "solid",
+    "linked-data",
+    "rdf",
+    "ldp"
+  ],
+  "contributors": [
+    "Joachim Van Herwegen <joachim.vanherwegen@ugent.be>",
+    "Ruben Taelman <ruben.taelman@ugent.be> (https://www.rubensworks.net/)",
+    "Ruben Verborgh <ruben.verborgh@ugent.be> (https://ruben.verborgh.org/)"
+  ],
   "lsd:module": "https://linkedsoftwaredependencies.org/bundles/npm/@solid/community-server",
   "lsd:components": "components/components.jsonld",
   "lsd:contexts": {