Update README.md

Author: DarkAssassinator

README.md

@@ -24,6 +24,54 @@ If you're using Gradle, that looke like this:
 ```gradle
 implementation group: 'io.github.DarkAssassinator', name: 'ssh-spring-boot-starter', version: '1.0.0'
 ```
+And you should add ssh session configuration in your yml file:
+```yml
+ssh:
+  session:
+    # ACP session pool config
+    pool:
+      # The maximum number of active ssh session instances in the pool.
+      maxTotal: 20
+      # The maximum number of active ssh session of per ssh host in the pool.
+      maxTotalPerKey: 10
+      # The maximum number of sleeping instances of per ssh host in the pool.
+      maxIdlePerKey: 4
+      # When borrow an ssh session, whether to block waiting for a session when the pool is exhausted
+      blockWhenExhausted: true
+      # The maximum waiting time for the caller when the pool session is exhausted, it will be ignored if blockWhenExhausted is false
+      maxWaitDuration: 500ms
+      # The minimum time to allow idle session to live (or not be evicted)
+      minEvictableIdleDuration: 60s
+      # The interval at which the eviction thread pool scans the pool for free sessions
+      durationBetweenEvictionRuns: 60s
+      # Whether borrowObject performs abandoned session removal
+      removeAbandonedOnBorrow: true
+      # How long the object has been unused and returned after it was lent out and used for the last time is considered a leak
+      removeAbandonedTimeoutDuration: 30s
+    sftp:
+      # enable upload monitor thread when upload files to remote host
+      enableUploadMonitor: true
+      # max upload rate (KB), if negative, will not limit
+      maxUploadRate: 256
+      # max file size (MB), if negative, will not limit
+      maxFileSize: 100
+```
+Please check the :
+|                       Parameter                        |  Default  |                                                                Desc                                                                 |
+|-------------------------------------------------|-------|-----------------------------------------------------------------------------------------------------------------------------------|
+| ssh.session.pool.maxTotal                       | 20    | The maximum number of active ssh session instances in the pool.                                                                   |
+| ssh.session.pool.maxTotalPerKey                 | 10    | The maximum number of active ssh session of per ssh host & account in the pool.                                                   |
+| ssh.session.pool.maxIdlePerKey                  | 4     | The maximum number of sleeping instances of per ssh host in the pool.                                                             |
+| ssh.session.pool.blockWhenExhausted             | true  | When borrow an ssh session, whether to block waiting for a session when the pool is exhausted                                     |
+| ssh.session.pool.maxWaitDuration                | 500ms | The maximum waiting time for the caller when the pool session is exhausted, it will be ignored if `blockWhenExhausted` is `false` |
+| ssh.session.pool.minEvictableIdleDuration       | 60s   | The minimum time to allow idle session to live (or not be evicted)                                                                |
+| ssh.session.pool.durationBetweenEvictionRuns    | 60s   | The interval at which the eviction thread pool scans the pool for free sessions                                                   |
+| ssh.session.pool.removeAbandonedOnBorrow        | true  | Whether borrowObject performs abandoned session removal                                                                           |
+| ssh.session.pool.removeAbandonedTimeoutDuration | 30s   | How long the object has been unused and returned after it was lent out and used for the last time is considered a leak            |
+| ssh.session.sftp.enableUploadMonitor            | true  | enable upload monitor thread when upload files to remote host                                                                     |
+| ssh.session.sftp.maxUploadRate                  | 256   | max upload rate (KB), if negative, will not limit                                                                                 |
+| ssh.session.sftp.maxFileSize                    | 100   | max file size (MB), if negative, will not limit                                                                                   |
+
 Next, you can instantiate a SSH Session pool like
 ```java
 @Autowired