Fix Typos in Vectorstore Integration Documentation Notebooks (#31612)

Description:  
This pull request corrects minor typographical errors in the
documentation notebooks for vectorstore integrations. Specifically, it
fixes the spelling of "datastore" in `llm_rails.ipynb` and
"pre-existent" in `redis.ipynb`. These changes improve the clarity and
professionalism of the documentation. No functional code changes are
included.

Author: vtjl10

docs/docs/integrations/vectorstores/llm_rails.ipynb

@@ -64,7 +64,7 @@
    "source": [
     "## Adding text\n",
     "\n",
-    "For adding text to your datastore first you have to go to [Datastores](https://console.llmrails.com/datastores) page and create one. Click Create Datastore button and choose a name and embedding model for your datastore. Then get your datastore id from newly created  datatore settings.\n",
+    "For adding text to your datastore first you have to go to [Datastores](https://console.llmrails.com/datastores) page and create one. Click Create Datastore button and choose a name and embedding model for your datastore. Then get your datastore id from newly created  datastore settings.\n",
     " "
    ]
   },

docs/docs/integrations/vectorstores/redis.ipynb

@@ -461,7 +461,7 @@
         {
           "data": {
             "text/plain": [
-              "('From: [email protected] (Bill Conner)\\nSubject: Re: Not the Omni!\\nNntp-Posting-Host: okcforum.osrhe.edu\\nOrganization: Okcforum Unix Users Group\\nX-Newsreader: TIN [version 1.1 PL6]\\nLines: 18\\n\\nCharley Wingate ([email protected]) wrote:\\n: \\n: >> Please enlighten me.  How is omnipotence contradictory?\\n: \\n: >By definition, all that can occur in the universe is governed by the rules\\n: >of nature. Thus god cannot break them. Anything that god does must be allowed\\n: >in the rules somewhere. Therefore, omnipotence CANNOT exist! It contradicts\\n: >the rules of nature.\\n: \\n: Obviously, an omnipotent god can change the rules.\\n\\nWhen you say, \"By definition\", what exactly is being defined;\\ncertainly not omnipotence. You seem to be saying that the \"rules of\\nnature\" are pre-existant somehow, that they not only define nature but\\nactually cause it. If that\\'s what you mean I\\'d like to hear your\\nfurther thoughts on the question.\\n\\nBill\\n',\n",
+              "('From: [email protected] (Bill Conner)\\nSubject: Re: Not the Omni!\\nNntp-Posting-Host: okcforum.osrhe.edu\\nOrganization: Okcforum Unix Users Group\\nX-Newsreader: TIN [version 1.1 PL6]\\nLines: 18\\n\\nCharley Wingate ([email protected]) wrote:\\n: \\n: >> Please enlighten me.  How is omnipotence contradictory?\\n: \\n: >By definition, all that can occur in the universe is governed by the rules\\n: >of nature. Thus god cannot break them. Anything that god does must be allowed\\n: >in the rules somewhere. Therefore, omnipotence CANNOT exist! It contradicts\\n: >the rules of nature.\\n: \\n: Obviously, an omnipotent god can change the rules.\\n\\nWhen you say, \"By definition\", what exactly is being defined;\\ncertainly not omnipotence. You seem to be saying that the \"rules of\\nnature\" are pre-existent somehow, that they not only define nature but\\nactually cause it. If that\\'s what you mean I\\'d like to hear your\\nfurther thoughts on the question.\\n\\nBill\\n',\n",
               " {'category': 'alt.atheism'})"
             ]
           },