Refactor package directory, abstract infra and kernel layers

agents/threadpool/hippo4j-agent-core/pom.xml

@@ -75,7 +75,7 @@
         </dependency>
         <dependency>
             <groupId>cn.hippo4j</groupId>
-            <artifactId>hippo4j-threadpool-common</artifactId>
+            <artifactId>hippo4j-threadpool-infra-common</artifactId>
             <version>${project.version}</version>
             <scope>provided</scope>
         </dependency>

agents/threadpool/hippo4j-agent-plugin/thread-pool-plugin/pom.xml

@@ -20,7 +20,7 @@
         </dependency>
         <dependency>
             <groupId>cn.hippo4j</groupId>
-            <artifactId>hippo4j-threadpool-common</artifactId>
+            <artifactId>hippo4j-threadpool-infra-common</artifactId>
             <version>${project.version}</version>
         </dependency>
     </dependencies>

infra/common/pom.xml

@@ -4,10 +4,10 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>cn.hippo4j</groupId>
-        <artifactId>hippo4j-threadpool</artifactId>
+        <artifactId>hippo4j-infra</artifactId>
         <version>${revision}</version>
     </parent>
-    <artifactId>hippo4j-threadpool-common</artifactId>
+    <artifactId>hippo4j-threadpool-infra-common</artifactId>
 
     <dependencies>
         <dependency>