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

ts/classes.smartconfig.ts

@@ -0,0 +1,79 @@
+import * as plugins from './plugins.js';
+import * as paths from './paths.js';
+
+/**
+ * Smartconfig class allows easy configuration of tools
+ */
+export class Smartconfig {
+  cwd: string;
+  lookupPath: string;
+  smartconfigJsonExists: boolean;
+  smartconfigJsonData: any;
+
+  /**
+   * creates instance of Smartconfig
+   */
+  constructor(cwdArg?: string) {
+    if (cwdArg) {
+      this.cwd = cwdArg;
+    } else {
+      this.cwd = paths.cwd;
+    }
+    this.checkLookupPath();
+    this.checkSmartconfigJsonExists();
+    this.checkSmartconfigJsonData();
+  }
+
+  /**
+   * merges the supplied options with the ones from smartconfig.json
+   */
+  dataFor<IToolConfig>(
+    toolnameArg: string,
+    defaultOptionsArg: any,
+  ): IToolConfig {
+    let smartconfigToolOptions;
+    if (this.smartconfigJsonData[toolnameArg]) {
+      smartconfigToolOptions = this.smartconfigJsonData[toolnameArg];
+    } else {
+      smartconfigToolOptions = {};
+    }
+    let mergedOptions = {
+      ...defaultOptionsArg,
+      ...smartconfigToolOptions,
+    };
+    return mergedOptions;
+  }
+
+  /**
+   * checks if the JSON exists
+   */
+  private checkSmartconfigJsonExists() {
+    this.smartconfigJsonExists = plugins.smartfile.fs.fileExistsSync(
+      this.lookupPath,
+    );
+  }
+
+  /**
+   * gets lookupPath
+   */
+  private checkLookupPath() {
+    if (this.cwd) {
+      this.lookupPath = plugins.path.join(this.cwd, 'smartconfig.json');
+    } else {
+      this.lookupPath = paths.configFile;
+    }
+  }
+
+  /**
+   * get smartconfigJsonData
+   */
+  private checkSmartconfigJsonData() {
+    if (this.smartconfigJsonExists) {
+      this.smartconfigJsonData = plugins.smartfile.fs.toObjectSync(
+        this.lookupPath,
+      );
+    } else {
+      this.smartconfigJsonData = {};
+    }
+  }
+}