Extend Confluence Document Loader to Support Server/Data Center with PAT (#1998)

* Extend Confluence Document Loader to Support Server/Data Center with PAT

- Update authentication to use Personal Access Token (PAT)
- Expand compatibility to include both Confluence Cloud and Server/Data Center

* Update ConfluenceServerDCApi.credential.ts

* use the same confluence loader with different connection logic

* use the same confluence loader with different connection logic

* Apply Prettier formatting

packages/components/credentials/ConfluenceServerDCApi.credential.ts

@@ -0,0 +1,27 @@
+import { INodeParams, INodeCredential } from '../src/Interface'
+
+class ConfluenceServerDCApi implements INodeCredential {
+    label: string
+    name: string
+    version: number
+    description: string
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Confluence Server/Data Center API'
+        this.name = 'confluenceServerDCApi'
+        this.version = 1.0
+        this.description =
+            'Refer to <a target="_blank" href="https://confluence.atlassian.com/enterprise/using-personal-access-tokens-1026032365.html/">official guide</a> on how to get Personal Access Token</a> on Confluence'
+        this.inputs = [
+            {
+                label: 'Personal Access Token',
+                name: 'personalAccessToken',
+                type: 'password',
+                placeholder: '<CONFLUENCE_PERSONAL_ACCESS_TOKEN>'
+            }
+        ]
+    }
+}
+
+module.exports = { credClass: ConfluenceServerDCApi }