new: gpu status (#201)

lib/data/model/app/shell_func.dart

@@ -33,7 +33,8 @@ enum ShellFunc {
 
   /// Issue #168
   /// Use `sh` for compatibility
-  static final installShellCmd = """
+  static final installShellCmd =
+      """
 mkdir -p $_homeVar/$_srvBoxDir
 cat << 'EOF' > $_installShellPath
 ${ShellFunc.allScript}
@@ -134,7 +135,8 @@ fi''';
 
   static final String allScript = () {
     final sb = StringBuffer();
-    sb.write('''
+    sb.write(
+        '''
 #!/bin/sh
 # Script for ServerBox app v1.0.${BuildData.build}
 # DO NOT delete this file while app is running
@@ -153,7 +155,8 @@ userId=\$(id -u)
 ''');
     // Write each func
     for (final func in values) {
-      sb.write('''
+      sb.write(
+          '''
 ${func.name}() {
 ${func._cmd.split('\n').map((e) => '\t$e').join('\n')}
 }
@@ -199,7 +202,9 @@ enum StatusCmdType {
   tempType,
   tempVal,
   host,
-  diskio;
+  diskio,
+  nvdia,
+  ;
 }
 
 /// Cmds for linux server
@@ -217,6 +222,7 @@ const _statusCmds = [
   'cat /sys/class/thermal/thermal_zone*/temp',
   'hostname',
   'cat /proc/diskstats',
+  'nvidia-smi -q -x',
 ];
 
 enum DockerCmdType {