chore: remove Firestore-related implementations and example files

Deleted all Firestore augmentation, storage, sync implementations, and related type definitions. Removed the FirestoreSync example file as part of the cleanup for disabled Firestore functionality.

examples/memoryAugmentationExample.js

@@ -7,15 +7,12 @@
  * The example shows:
  * 1. Using the default memory augmentation (auto-selected based on environment)
  * 2. Using specific storage types (Memory, FileSystem, OPFS)
- * 3. Using Firestore storage
  */
 
 import {
   registerAugmentation,
   initializeAugmentationPipeline,
-  createMemoryAugmentation,
-  createFirestoreStorageAugmentation,
-  FirestoreStorageConfig
+  createMemoryAugmentation
 } from '../dist/index.js'
 
 // Example 1: Using the default memory augmentation
@@ -126,66 +123,6 @@ async function useOPFSStorage() {
   }
 }
 
-// Example 5: Using Firestore storage
-async function useFirestoreStorage() {
-  console.log('Setting up Firestore storage...')
-
-  // Your Firebase configuration
-  // Replace with your actual Firebase project configuration
-  const firebaseConfig = {
-    projectId: 'your-project-id',
-    collection: 'brainy_data',
-    // Optional: provide credentials, databaseURL, appName
-  }
-
-  try {
-    // Method 1: Using createMemoryAugmentation with 'firestore' storage type
-    const memoryAug = await createMemoryAugmentation('brainy-firestore-storage', {
-      storageType: 'firestore',
-      firestoreConfig: firebaseConfig
-    })
-
-    // Register the augmentation
-    registerAugmentation(memoryAug)
-
-    // Initialize the augmentation
-    await memoryAug.initialize()
-
-    console.log('Firestore storage initialized successfully')
-
-    // Store some data
-    await storeAndRetrieveData(memoryAug)
-
-    return memoryAug
-  } catch (error) {
-    console.error('Failed to initialize Firestore storage:', error)
-    console.log('This might be because Firebase is not properly configured or installed')
-
-    // Method 2: Using createFirestoreStorageAugmentation directly
-    console.log('Trying alternative method...')
-
-    try {
-      const firestoreStorage = createFirestoreStorageAugmentation(
-        'firestore-storage-direct',
-        firebaseConfig
-      )
-
-      registerAugmentation(firestoreStorage)
-      await firestoreStorage.initialize()
-
-      console.log('Firestore storage initialized successfully (direct method)')
-
-      // Store some data
-      await storeAndRetrieveData(firestoreStorage)
-
-      return firestoreStorage
-    } catch (directError) {
-      console.error('Failed to initialize Firestore storage (direct method):', directError)
-      return null
-    }
-  }
-}
-
 // Helper function to store and retrieve data
 async function storeAndRetrieveData(memoryAug) {
   console.log('Storing and retrieving data...')
@@ -322,12 +259,6 @@ async function runExamples() {
     await opfsStorage.shutDown()
   }
 
-  // Example 5: Firestore storage
-  const firestoreStorage = await useFirestoreStorage()
-  if (firestoreStorage) {
-    await firestoreStorage.shutDown()
-  }
-
   console.log('All examples completed')
 }