docs: update identifier creation (#208)

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## What type of PR is this? (check all applicable)
- [ ] 🍕 Feature
- [ ] 🐛 Bug Fix
- [x] 📝 Documentation Update
- [ ] 🎨 Style
- [ ] 🧑‍💻 Code Refactor
- [ ] 🔥 Performance Improvements
- [ ] ✅ Test
- [ ] 🤖 Build
- [ ] 🔁 CI
- [ ] 📦 Chore (Release)
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## Description
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Please do not leave this blank 
This PR [adds/removes/fixes/replaces] the [feature/bug/etc]. 
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This PR updates the documentation regarding identifier creation.

## Added to documentation?
- [ ] 📜 README.md
- [x] 📓 [vc-kit doc site](https://uncefact.github.io/vckit/)
- [ ] 📕 storybook
- [ ] 🙅 no documentation needed

<!-- note: PRs with deleted sections will be marked invalid -->

documentation/docs/get-started/api-server-get-started/basic-operations.md

@@ -45,7 +45,7 @@ To create an identifier, we use this [`/didManagerCreate`](http://localhost:3332
   "provider": "did:web", //you can use other providers, in this case we use did:web
   "kms": "local",
   "options": {
-    "type": "ed25519"
+    "keyType": "Ed25519"
   }
 }
 ```
@@ -58,7 +58,7 @@ The `alias` is the domain name that you will store a [DID document](/docs/get-st
   "provider": "did:web",
   "kms": "local",
   "options": {
-    "type": "ed25519"
+    "keyType": "Ed25519"
   }
 }
 ```