fix: public flagd protocol (#130)

Signed-off-by: Todd Baert <[email protected]>

Signed-off-by: Todd Baert <[email protected]>

Author: toddbaert

providers/flagd/README.md

@@ -20,6 +20,6 @@ A feature flag daemon with a Unix philosophy.
 The `FlagdProvider` communicates with flagd via the gRPC protocol. Instantiate a new FlagdProvider instance, and configure the OpenFeature SDK to use it:
 
 ```java
-FlagdProvider provider = new FlagdProvider("http", "localhost", 8013);
+FlagdProvider provider = new FlagdProvider(Protocol.HTTP, "localhost", 8013);
 OpenFeatureAPI.getInstance().setProvider(provider);
 ```

providers/flagd/src/main/java/dev/openfeature/contrib/providers/flagd/Protocol.java

@@ -1,6 +1,9 @@
 package dev.openfeature.contrib.providers.flagd;
 
-enum Protocol {
+/**
+ * Protocol for gRPC connect.
+ */
+public enum Protocol {
     HTTP,
     HTTPS
 }