[KYUUBI #1775] Add kyuubi.server.name configuration

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### _Why are the changes needed?_
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Add `kyuubi.server.name` configuration. #1775

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [X] Add screenshots for manual tests if appropriate

![image](https://user-images.githubusercontent.com/17894939/149863381-0f71c33a-f2b2-48ef-a53f-1f48ce35fc7f.png)

![image](https://user-images.githubusercontent.com/17894939/149863308-677e54cd-d766-47e5-a284-7b2a475da82d.png)

- [X] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1789 from wForget/KYUUBI-1775.

Closes #1775

8b89504 [Wang Zhen] [KYUUBI-1775] Add kyuubi.server.name configuration

Authored-by: Wang Zhen <wangzhen07@qiyi.com>
Signed-off-by: ulysses-you <ulyssesyou@apache.org>

docs/deployment/settings.md

@@ -293,6 +293,13 @@ kyuubi\.operation<br>\.status\.polling\.max<br>\.attempts|<div style='width: 65p
 kyuubi\.operation<br>\.status\.polling<br>\.timeout|<div style='width: 65pt;word-wrap: break-word;white-space: normal'>PT5S</div>|<div style='width: 170pt;word-wrap: break-word;white-space: normal'>Timeout(ms) for long polling asynchronous running sql query's status</div>|<div style='width: 30pt'>duration</div>|<div style='width: 20pt'>1.0.0</div>
 
 
+### Server
+
+Key | Default | Meaning | Type | Since
+--- | --- | --- | --- | ---
+kyuubi\.server\.name|<div style='width: 65pt;word-wrap: break-word;white-space: normal'>&lt;undefined&gt;</div>|<div style='width: 170pt;word-wrap: break-word;white-space: normal'>The name of Kyuubi Server.</div>|<div style='width: 30pt'>string</div>|<div style='width: 20pt'>1.5.0</div>
+
+
 ### Session
 
 Key | Default | Meaning | Type | Since

kyuubi-common/src/main/scala/org/apache/kyuubi/config/KyuubiConf.scala

@@ -1109,4 +1109,11 @@ object KyuubiConf {
       .transform(_.toUpperCase(Locale.ROOT))
       .checkValues(OperationLanguages.values.map(_.toString))
       .createWithDefault(OperationLanguages.SQL.toString)
+
+  val SERVER_NAME: OptionalConfigEntry[String] =
+    buildConf("server.name")
+      .doc("The name of Kyuubi Server.")
+      .version("1.5.0")
+      .stringConf
+      .createOptional
 }

kyuubi-server/src/main/scala/org/apache/kyuubi/server/KyuubiServer.scala

@@ -89,7 +89,10 @@ object KyuubiServer extends Logging {
       }
     }
 
-    val server = new KyuubiServer()
+    val server = conf.get(KyuubiConf.SERVER_NAME) match {
+      case Some(s) => new KyuubiServer(s)
+      case _ => new KyuubiServer()
+    }
     try {
       server.initialize(conf)
     } catch {