rename package from @push.rocks/npmextra to @push.rocks/smartconfig

- Rename all source files from npmextra.* to simpler names (classes.appdata.ts, etc.)
- Rename Npmextra class to Smartconfig
- Config file changed from npmextra.json to smartconfig.json
- KV store path changed from ~/.npmextra/kv to ~/.smartconfig/kv
- Update all imports, tests, and metadata

test/test.kvstore.ts

@@ -1,16 +1,16 @@
 import { expect, tap } from '@git.zone/tstest/tapbundle';
 
-import * as npmextra from '../ts/index.js';
+import * as smartconfig from '../ts/index.js';
 
-let myKeyValueStore: npmextra.KeyValueStore<any>;
+let myKeyValueStore: smartconfig.KeyValueStore<any>;
 
 tap.test('should create a keyValueStore', async () => {
-  myKeyValueStore = new npmextra.KeyValueStore<any>({
+  myKeyValueStore = new smartconfig.KeyValueStore<any>({
     typeArg: 'custom',
     identityArg: 'test',
     customPath: 'test/somekv.json',
   });
-  expect(myKeyValueStore).toBeInstanceOf(npmextra.KeyValueStore);
+  expect(myKeyValueStore).toBeInstanceOf(smartconfig.KeyValueStore);
 });
 
 tap.test('should reset the keyValueStore', async () => {