build: 💚 增加docker分层构建，自动发布功能

ym-gateway/src/main/resources/layers.xml

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+<layers xmlns="http://www.springframework.org/schema/boot/layers"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://www.springframework.org/schema/boot/layers
+            https://www.springframework.org/schema/boot/layers/layers.xsd">
+    <application>
+        <into layer="spring-boot-loader">
+            <include>org/springframework/boot/loader/**</include>
+        </into>
+        <into layer="application" />
+    </application>
+    <dependencies>
+        <into layer="snapshot-dependencies">
+            <include>*:*:*SNAPSHOT</include>
+        </into>
+        <into layer="company-dependencies">
+            <include>com.cnbm:*</include>
+        </into>
+        <into layer="dependencies"/>
+    </dependencies>
+    <layerOrder>
+        <layer>dependencies</layer>
+        <layer>spring-boot-loader</layer>
+        <layer>snapshot-dependencies</layer>
+        <layer>company-dependencies</layer>
+        <layer>application</layer>
+    </layerOrder>
+</layers>