Added build script for base

scripts/build_base.sh

@@ -0,0 +1,10 @@
+source /opt/ros/jazzy/setup.bash
+
+colcon build --packages-select \
+    mg_bringup \
+    mg_navigation \
+    mg_msgs \
+    mg_control \
+    mg_odometry \
+    mg_obstacles \
+    toid_bot_description