Introduce markers for static and runtime init recorder methods

These are meant to replace the comments found in various recorder
methods

core/runtime/src/main/java/io/quarkus/runtime/annotations/RuntimeInit.java

@@ -0,0 +1,14 @@
+package io.quarkus.runtime.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Marker annotation used to indicate that a recorder method is called during the runtime init phase
+ */
+@Retention(RetentionPolicy.SOURCE)
+@Target(ElementType.METHOD)
+public @interface RuntimeInit {
+}

core/runtime/src/main/java/io/quarkus/runtime/annotations/StaticInit.java

@@ -0,0 +1,14 @@
+package io.quarkus.runtime.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Marker annotation used to indicate that a recorder method is called during the static init phase
+ */
+@Retention(RetentionPolicy.SOURCE)
+@Target(ElementType.METHOD)
+public @interface StaticInit {
+}