Update package description and keywords

Author: adamgraham

README.md

@@ -1,6 +1,6 @@
 # Debug Tools
 
-The Debug Tools package provides assets and scripts to assist in debugging Unity projects.
+The Debug Tools package contains assets and scripts for debugging Unity projects.
 
 ## Installation
 

package.json

@@ -2,11 +2,15 @@
   "name": "com.zigurous.debug",
   "version": "1.0.1",
   "displayName": "Zigurous Debug Tools",
-  "description": "The Debug Tools package provides assets and scripts to assist in debugging Unity projects.",
+  "description": "The Debug Tools package contains assets and scripts for debugging Unity projects.",
   "unity": "2019.4",
   "keywords": [
     "debug",
-    "performance"
+    "performance",
+    "tools",
+    "assets",
+    "scripts",
+    "shaders"
   ],
   "repository": "https://github.com/zigurous/unity-debug-tools",
   "publishConfig": {