Update to use published packages. Update types. Update readme. Fix tests.

package.json

@@ -34,11 +34,11 @@
     "@bitauth/libauth": "^3.0.0",
     "@electrum-cash/protocol": "^2.3.1",
     "@generalprotocols/oracle-client": "^0.0.1-development.11945476152",
-    "@xo-cash/crypto": "file:../crypto",
+    "@xo-cash/crypto": "^0.0.1",
     "@xo-cash/engine": "file:../engine",
     "@xo-cash/state": "file:../state",
-    "@xo-cash/templates": "file:../templates",
-    "@xo-cash/types": "file:../types",
+    "@xo-cash/templates": "^0.0.1",
+    "@xo-cash/types": "^0.0.1",
     "better-sqlite3": "^12.6.2",
     "clipboardy": "^5.1.0",
     "ink": "^6.6.0",