added setMode to documentation, added error handling with templated exception for set mode and refactored some feature config related methods (changed the equal to be case insensitive)

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/FeatureModeNotFoundException.java

@@ -0,0 +1,31 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class FeatureModeNotFoundException extends AbstractoRunTimeException implements Templatable {
+
+    private final String featureMode;
+    private final List<String> availableModes;
+
+    public FeatureModeNotFoundException(String message, String featureMode, List<String> availableModes) {
+        super(message);
+        this.featureMode = featureMode;
+        this.availableModes = availableModes;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "feature_mode_not_found";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, Object> parameters = new HashMap<>();
+        parameters.put("featureMode", this.featureMode);
+        parameters.put("availableModes", this.availableModes);
+        return parameters;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/service/FeatureConfigService.java

@@ -17,9 +17,10 @@ public interface FeatureConfigService {
     boolean doesFeatureExist(FeatureConfig name);
     boolean doesFeatureExist(String name);
     List<String> getFeaturesAsList();
+    List<String> getFeatureModesFromFeatureAsString(String featureName);
     FeatureEnum getFeatureEnum(String key);
     PostTargetEnum getPostTargetEnumByKey(String key);
     FeatureValidationResult validateFeatureSetup(FeatureConfig featureConfig, AServer server);
-    FeatureMode getFeatureModeByKey(String key);
+    FeatureMode getFeatureModeByKey(FeatureConfig featureConfig, String key);
     boolean isModeValid(String featureName, String modeName);
 }