🚚 Rename getSolidpkgZip to GetReleaseZip, change npm script

package.json

@@ -9,7 +9,7 @@
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "scripts": {
-    "preinstall": "npm start",
+    "postinstall": "npm start",
     "start": "rm -rf dist && tsc",
     "test": "echo \"Error: no test specified\" && exit 1"
   },

src/index.ts

@@ -7,8 +7,8 @@ import { ISsnFileEntry } from './interfaces/ISsnFileEntry';
 import findReleasePath from './ssn/findReleasePath';
 import getManifest from './ssn/getManifest';
 import getPatch from './ssn/getPatch';
+import getReleaseZip from './ssn/getReleaseZip';
 import getSolidpkg from './ssn/getSolidpkg';
-import getSolidpkgZip from './ssn/getSolidpkgZip';
 import verifyProductName from './ssn/verify/verifyProductName';
 
-export { IManifest, ISolidSimple, ISsnFileEntry, Product, findReleasePath, getManifest, getPatch, getSolidpkg, getSolidpkgZip, verifyProductName };
+export { IManifest, ISolidSimple, ISsnFileEntry, Product, findReleasePath, getManifest, getPatch, getSolidpkg, getReleaseZip, verifyProductName };