feat: [SEI-13690]: merge SEI tools (#133)

* feat: [SEI-13690]: go fmt

*  feat: [SEI-13690]: Review comments - remove request logging

* feat: [SEI-13690]: Rebased changes. Addressed comments

* feat: [SEI-13593]: Review comments addressed for - WithScope() and FetchScope() where the orgId and projectId are handled. efficiency api moved to new file

* feat: [SEI-13593]: Review comments addressed for - WithScope() and FetchScope() where the orgId and projectId are handled. efficiency api moved to new file

* feat: [SEI-13593]: Review comments addressed for - WithScope() and FetchScope() where the orgId and projectId are handled

* feat: [SEI-13593]: Enable APIKEY by decoding the sat/pat token

* feat: [SEI-13690]: Review comment addressed - comment removed, isDefault() set to false

* feat: [SEI-13690]: Remove unused code

* fix: Remove config key in usage

* fix: merge SEI tools

Author: mahesh-sei

client/client.go

@@ -227,7 +227,7 @@ func (c *Client) PostRaw(
 		req.Header.Set("Content-Type", "application/json")
 		// Add custom headers from the headers map
 		for key, value := range headers {
-			req.Header.Add(key, value)
+			req.Header.Set(key, value)
 		}
 		addQueryParams(req, params)
 
@@ -363,7 +363,7 @@ func (c *Client) PostRawStream(
 		req.Header.Set("Content-Type", "application/json")
 		// Add custom headers from the headers map
 		for key, value := range headers {
-			req.Header.Add(key, value)
+			req.Header.Set(key, value)
 		}
 		addQueryParams(req, params)