Bump version to 3.0.0-dev

- Now requires mempool/electrs
- Mempool Accelerator integration
- Rust GBT integration
- And more!

backend/rust-gbt/package.json

@@ -1,6 +1,6 @@
 {
   "name": "gbt",
-  "version": "0.1.0",
+  "version": "3.0.0-dev",
   "description": "An inefficient re-implementation of the getBlockTemplate algorithm in Rust",
   "main": "index.js",
   "types": "index.d.ts",
@@ -30,4 +30,4 @@
   "engines": {
     "node": ">= 12"
   }
-}
+}