build: clarify package accessibility

Author: JounQin

packages/pkg/package.json

@@ -26,5 +26,8 @@
   ],
   "peerDependencies": {
     "prettier": "^2.0.5"
+  },
+  "publishConfig": {
+    "access": "public"
   }
 }

packages/sh/package.json

@@ -35,5 +35,8 @@
   },
   "dependencies": {
     "mvdan-sh": "^0.5.0"
+  },
+  "publishConfig": {
+    "access": "public"
   }
 }

packages/sql/package.json

@@ -40,5 +40,8 @@
   "dependencies": {
     "node-sql-parser": "^3.1.0",
     "sql-formatter": "^4.0.2"
+  },
+  "publishConfig": {
+    "access": "public"
   }
 }