chore: rename tlsconfig to be go like

Signed-off-by: Mark Phelps <[email protected]>

Author: markphelps

flipt-client-go/README.md

@@ -125,7 +125,7 @@ The `NewClient` constructor accepts a variadic number of `Option` functions that
 - `WithReference`: The [reference](https://docs.flipt.io/guides/user/using-references) to use when fetching flag state. If not provided, reference will not be used.
 - `WithFetchMode`: The fetch mode to use when fetching flag state. If not provided, the client will default to polling.
 - `WithErrorStrategy`: The error strategy to use when fetching flag state. If not provided, the client will default to `Fail`. See the [Error Strategies](#error-strategies) section for more information.
-- `WithTlsConfig`: The TLS configuration for connecting to servers with custom certificates. See [TLS Configuration](#tls-configuration).
+- `WithTLSConfig`: The TLS configuration for connecting to servers with custom certificates. See [TLS Configuration](#tls-configuration).
 
 ### Authentication
 
@@ -178,7 +178,7 @@ func main() {
   client, err := flipt.NewClient(
     ctx,
     flipt.WithURL("https://flipt.example.com"),
-    flipt.WithTlsConfig(tlsConfig),
+    flipt.WithTLSConfig(tlsConfig),
     flipt.WithClientTokenAuthentication("your-token"),
   )
   if err != nil {
@@ -214,7 +214,7 @@ tlsConfig := &tls.Config{
 client, err := flipt.NewClient(
   ctx,
   flipt.WithURL("https://flipt.example.com"),
-  flipt.WithTlsConfig(tlsConfig),
+  flipt.WithTLSConfig(tlsConfig),
   flipt.WithClientTokenAuthentication("your-token"),
 )
 ```
@@ -232,7 +232,7 @@ tlsConfig := &tls.Config{
 client, err := flipt.NewClient(
   ctx,
   flipt.WithURL("https://localhost:8443"),
-  flipt.WithTlsConfig(tlsConfig),
+  flipt.WithTLSConfig(tlsConfig),
   flipt.WithClientTokenAuthentication("your-token"),
 )
 ```

flipt-client-go/client_test.go

@@ -47,12 +47,12 @@ func (s *ClientTestSuite) SetupSuite() {
 			caCertPool := x509.NewCertPool()
 			caCertPool.AppendCertsFromPEM(caCertData)
 
-			opts = append(opts, flipt.WithTlsConfig(&tls.Config{
+			opts = append(opts, flipt.WithTLSConfig(&tls.Config{
 				RootCAs: caCertPool,
 			}))
 		} else {
 			// Fallback to insecure for local testing
-			opts = append(opts, flipt.WithTlsConfig(&tls.Config{
+			opts = append(opts, flipt.WithTLSConfig(&tls.Config{
 				InsecureSkipVerify: true,
 			}))
 		}
@@ -71,7 +71,7 @@ func (s *ClientTestSuite) TestInvalidAuthentication() {
 	_, err := flipt.NewClient(context.TODO(),
 		flipt.WithURL(s.fliptURL),
 		flipt.WithClientTokenAuthentication("invalid"),
-		flipt.WithTlsConfig(&tls.Config{InsecureSkipVerify: true}),
+		flipt.WithTLSConfig(&tls.Config{InsecureSkipVerify: true}),
 	)
 	s.EqualError(err, "failed to fetch initial state: unexpected status code: 401")
 }

flipt-client-go/config.go

@@ -92,10 +92,10 @@ func WithRequestTimeout(timeout time.Duration) Option {
 	}
 }
 
-// WithTlsConfig sets the TLS configuration for the client using the standard library tls.Config.
+// WithTLSConfig sets the TLS configuration for the client using the standard library tls.Config.
 // This provides maximum flexibility for configuring TLS settings including custom CAs,
 // mutual TLS authentication, and certificate verification options.
-func WithTlsConfig(tlsConfig *tls.Config) Option {
+func WithTLSConfig(tlsConfig *tls.Config) Option {
 	return func(cfg *config) {
 		if tlsConfig == nil {
 			return