fix and refactor python examples (#770)

* fix: fix points selector bugs, refactor code

* fix: fix and refactor embeddings

* fix: fix and refactor frameworks

* refactor: refactor guides

* fix: fix and refactor aleph-alpha tutorial

* fix: fix and refactor tutorials

* refactoring: refactor quick-start

* fix: address review comments

* fix: replace remaining host

qdrant-landing/content/documentation/frameworks/unstructured.md

@@ -38,7 +38,7 @@ unstructured-ingest \
   --verbose \
   qdrant \
   --collection-name "test" \
-  --location "http://localhost:6333" \
+  --url "http://localhost:6333" \
   --batch-size 80
 ```
 
@@ -66,7 +66,7 @@ from unstructured.ingest.runner.writers.qdrant import QdrantWriter
 def get_writer() -> Writer:
     return QdrantWriter(
         connector_config=SimpleQdrantConfig(
-            location="http://localhost:6333",
+            url="http://localhost:6333",
             collection_name="test",
         ),
         write_config=QdrantWriteConfig(batch_size=80),