docs: fix mangled Python formatting in pgvector & Neon vector store guides (#5853)

docs/components/vectordbs/dbs/pgvector.mdx

@@ -15,27 +15,27 @@ from mem0 import Memory
 os.environ["OPENAI_API_KEY"] = "sk-xx"
 
 config = {
-"vector_store": {
-"provider": "pgvector",
-"config": {
-"user": "test",
-"password": "123",
-"host": "127.0.0.1",
-"port": "5432",
-},
-}
+    "vector_store": {
+        "provider": "pgvector",
+        "config": {
+            "user": "test",
+            "password": "123",
+            "host": "127.0.0.1",
+            "port": "5432",
+        },
+    }
 }
 
 m = Memory.from_config(config)
 messages = [
-{"role": "user", "content": "I'm planning to watch a movie tonight. Any recommendations?"},
-{"role": "assistant", "content": "How about thriller movies? They can be quite engaging."},
-{"role": "user", "content": "I'm not a big fan of thriller movies but I love sci-fi movies."},
-{"role": "assistant", "content": "Got it! I'll avoid thriller recommendations and suggest sci-fi movies in the future."},
+    {"role": "user", "content": "I'm planning to watch a movie tonight. Any recommendations?"},
+    {"role": "assistant", "content": "How about thriller movies? They can be quite engaging."},
+    {"role": "user", "content": "I'm not a big fan of thriller movies but I love sci-fi movies."},
+    {"role": "assistant", "content": "Got it! I'll avoid thriller recommendations and suggest sci-fi movies in the future."},
 ]
 m.add(messages, user_id="alice", metadata={"category": "movies"})
 
-````
+```
 
 ```typescript TypeScript
 import { Memory } from "mem0ai/oss";
@@ -62,7 +62,7 @@ const messages = [
 ];
 
 await memory.add(messages, { userId: "alice", metadata: { category: "movies" } });
-````
+```
 
 </CodeGroup>