[Feature Request]: Export connection strings to various clients from UI and via API

[madhav165]

🧭 Epic
Title: Provide pre generate connection strings to servers through API and UI
Goal: Allow users to call an API or UI to generate connection strings with their server details to receive connection strings to various predefined clients
Benefit: Simplifies the connection to servers. Users can skip the documentation and get connection strings with preconfigured credentials so they always work.

Note: this is related to #136

🧭 Type of Feature

• Enhancement to existing functionality
• New feature or capability
• Security Related (for auditability)

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🙋‍♂️ User Story 1

As a: Server creator working from UI
I want: to connect to the server from Claude Desktop
So that: I can start testing the tools without having to set all the keys and connection string manually

✅ Acceptance Criteria

Scenario: Download connection details in a file from UI
  When I click the button to download connection string button and select my client such `Claude Desktop` in the popup dropdown
  Then A file with the connection details gets download that I can export to `Claude Desktop`

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🙋‍♂️ User Story 2

As a: API consumer
I want: get connection string to a server my team created
So that: Use it with an agent framework such as Langchain without having to set the connection strings and keys manually

✅ Acceptance Criteria

Scenario: Call an API to receive connection details
  When I POST /servers/{server_id}/connect with server details and gateway authentication and client type such as `langchain`
  Then I receive prebuilt connection config I can use to connect to connect to the server from Langchain

[crivetimihai]

See also: #136

[madhav165]

@crivetimihai Yes, looks like a duplicate of #136. Closing this.