Update package metadata

Author: adamgraham

README.md

@@ -1,5 +1,7 @@
 # Animation Library
 
+The Animation Library package contains assets and scripts for animating Unity objects.
+
 ## Installation
 
 The Unity Package Manager can load a package from a Git repository on a remote server.

package.json

@@ -1,9 +1,13 @@
 {
   "name": "com.zigurous.animation",
-  "version": "0.1.0",
-  "displayName": "Zigurous Animation",
-  "description": "Assets and scripts for animating Unity objects.",
+  "displayName": "Zigurous Animation Library",
+  "description": "The Animation Library package contains assets and scripts for animating Unity objects.",
   "unity": "2019.4",
+  "keywords": [
+    "animation",
+    "assets",
+    "scripts"
+  ],
   "repository": "https://github.com/zigurous/unity-animation-library",
   "publishConfig": {
     "registry": "https://npm.pkg.github.com/@zigurous"