readupme install instruction update

package-lock.json

@@ -9,8 +9,7 @@
       "version": "6.0.0-alpha.0",
       "license": "MIT",
       "dependencies": {
-        "@kayvan/markdown-tree-parser": "^1.5.0",
-        "bmad-method": "^4.30.3",
+        "@kayvan/markdown-tree-parser": "^1.6.1",
         "boxen": "^5.1.2",
         "chalk": "^4.1.2",
         "cli-table3": "^0.6.5",
@@ -2397,32 +2396,6 @@
         "readable-stream": "^3.4.0"
       }
     },
-    "node_modules/bmad-method": {
-      "version": "4.40.0",
-      "resolved": "https://registry.npmjs.org/bmad-method/-/bmad-method-4.40.0.tgz",
-      "integrity": "sha512-FE+5GprBOf2x3AIpeH8iVJF3/JXtzTWbPSDTwUS3Y0Dq0IaW82FxwyiFykTRxPW/oDEK6YCyNkU4EO2Lq8E89A==",
-      "license": "MIT",
-      "dependencies": {
-        "@kayvan/markdown-tree-parser": "^1.5.0",
-        "bmad-method": "^4.30.3",
-        "chalk": "^4.1.2",
-        "commander": "^14.0.0",
-        "fs-extra": "^11.3.0",
-        "glob": "^11.0.3",
-        "ignore": "^7.0.5",
-        "inquirer": "^8.2.6",
-        "js-yaml": "^4.1.0",
-        "ora": "^5.4.1",
-        "semver": "^7.6.3"
-      },
-      "bin": {
-        "bmad": "tools/bmad-npx-wrapper.js",
-        "bmad-method": "tools/bmad-npx-wrapper.js"
-      },
-      "engines": {
-        "node": ">=20.10.0"
-      }
-    },
     "node_modules/boolbase": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",