unilab添加moveit启动

1,整合所有moveit节点到一个move_group中，并整合所有的controller依次激活
2,添加pymoveit2的节点，使用json可直接启动
3,修改机械臂规划方式，添加约束，让冗余关节不会进行过多移动

unilabos/device_mesh/devices/benyao_arm/joint_limit.yaml

@@ -0,0 +1,44 @@
+joint_limits:
+
+  arm_base_joint:
+    effort: 50
+    velocity: 1.0
+    lower: 0
+    upper: 1.5
+
+  arm_link_1_joint:
+    effort: 50
+    velocity: 1.0
+    lower: 0
+    upper: 0.6
+
+  arm_link_2_joint:
+    effort: 50
+    velocity: 1.0
+    lower: !degrees  -95
+    upper: !degrees  95
+
+  arm_link_3_joint:
+    effort: 50
+    velocity: 1.0
+    lower: !degrees  -195
+    upper: !degrees  195
+
+  gripper_base_joint:
+    effort: 50
+    velocity: 1.0
+    lower: !degrees  -95
+    upper: !degrees  95
+
+
+  gripper_right_joint:
+    effort: 50
+    velocity: 1.0
+    lower: 0
+    upper: 0.03
+
+  gripper_left_joint:
+    effort: 50
+    velocity: 1.0
+    lower: 0
+    upper: 0.03