chore(release): 1.0.0 — README banner + X account (#840)

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@colbymchenry/codegraph",
-  "version": "0.9.9",
+  "version": "1.0.0",
   "description": "Supercharge Claude Code with semantic code intelligence. 94% fewer tool calls • 77% faster exploration • 100% local.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",