[feat]增加无人机feign中新增根据参数键名查询参数值（参数配置）

dk-modules/sample/src/main/java/org/dromara/sample/feign/RemoteSystemFeign.java

@@ -3,6 +3,7 @@ package org.dromara.sample.feign;
 import org.dromara.common.core.domain.R;
 import org.springframework.cloud.openfeign.FeignClient;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
@@ -13,4 +14,7 @@ public interface RemoteSystemFeign {
 
     @GetMapping("/config/selectStreamType")
     public List<String> selectStreamType(@RequestParam String deviceSn);
+
+    @GetMapping(value = "/config/configKey/{configKey}")
+    public R<String> getConfigKey(@PathVariable String configKey);
 }