fix: rename knowledage -> knowledge

src/main/knowledge/preprocess/DefaultPreprocessProvider.ts

@@ -0,0 +1,16 @@
+import { FileMetadata, PreprocessProvider } from '@types'
+
+import BasePreprocessProvider from './BasePreprocessProvider'
+
+export default class DefaultPreprocessProvider extends BasePreprocessProvider {
+  constructor(provider: PreprocessProvider) {
+    super(provider)
+  }
+  public parseFile(): Promise<{ processedFile: FileMetadata }> {
+    throw new Error('Method not implemented.')
+  }
+
+  public checkQuota(): Promise<number> {
+    throw new Error('Method not implemented.')
+  }
+}