Enable usage of the local WeaviateDB without a secure connection.

The default connection will be https, but in constructor you can set it to be http. This is a good approach to having a vector database inside Docker. There is no need to set up certificates.

README.md

@@ -656,7 +656,7 @@ npm install weaviate-ts-client
 -   Set Weaviate database as your choice of `vectorDb`
 
 ```TS
-.setVectorDb(new WeaviateDb({ host: '...', apiKey: '...', className: '...' }))
+.setVectorDb(new WeaviateDb({ host: '...', apiKey: '...', className: '...', scheme: '...' }))
 ```
 
 ## Bring your own database

src/vectorDb/weaviate-db.ts

@@ -13,9 +13,9 @@ export class WeaviateDb implements BaseDb {
     private readonly className: string;
     private readonly client: WeaviateClient;
 
-    constructor({ host, apiKey, className }: { host: string; apiKey: string; className: string }) {
+    constructor({ host, apiKey, className, scheme = 'https' }: { host: string; apiKey: string; className: string; scheme: string }) {
         // @ts-ignore
-        this.client = weaviate.client({ scheme: 'https', host, apiKey: new ApiKey(apiKey) });
+        this.client = weaviate.client({ scheme, host, apiKey: new ApiKey(apiKey) });
         this.className = toTitleCase(className); // Weaviate translates the className during create to title case and errors at other places
     }