chore(package): improve description and keywords

package.json

@@ -1,6 +1,6 @@
 {
   "name": "semantic-release",
-  "description": "semantic semver compliant package publishing",
+  "description": "automated semver compliant package publishing",
   "version": "0.0.0-note.that.this.is.not.the.actual.version",
   "author": "Stephan Bönnemann <stephan@boennemann.me>",
   "bin": "./bin/semantic-release",
@@ -37,6 +37,8 @@
   },
   "homepage": "https://github.com/boennemann/semantic-release",
   "keywords": [
+    "author",
+    "automation",
     "release",
     "publish",
     "module",