Fix geographic_info branch to ros2

.gitmodules

@@ -1,6 +1,7 @@
-[submodule "src/external/geographic_info"]
-	path = src/external/geographic_info
-	url = https://github.com/ros-geographic-info/geographic_info.git
 [submodule "src/external/angles"]
 	path = src/external/angles
 	url = https://github.com/ros/angles.git
+[submodule "src/external/geographic_info"]
+	path = src/external/geographic_info
+	url = https://github.com/ros-geographic-info/geographic_info.git
+	branch = ros2

README.md

@@ -7,12 +7,14 @@
 
 
 ===
-必要相依套件
+必要相依套件 順便記錄我開發時的環境版本
 
 Python
-1. pymavlink
+1. pymavlink -> Version: 2.4.42
 2. conda-forge 中的 pyserial-asyncio
-3. 
+3. importlib_metadata -> Version: 8.5.0
+4. setuptools -> Version: 58.2.0 (版本太新不行)
+
 
 ROS2
 1. source ~/ros2_humble/install/setup.bash
@@ -25,7 +27,7 @@ ROS2
 
 ===
 依賴的 ROS 庫
-1. https://github.com/ros-geographic-info/geographic_info.git
+1. https://github.com/ros-geographic-info/geographic_info.git 記得要搞 ros2 版本的
 2. https://github.com/ros/angles.git
 3. mavros_msgs 是 https://github.com/mavlink/mavros 這個專案中的一個資料夾 這邊手動複製的
 
@@ -36,7 +38,8 @@ cd ~/AirTrapMine
 git submodule init
 git submodule update
 # 2. build 需要的 package
-colcon build --packages-select angles geographic_msgs mavros_msgs
+colcon build --packages-select angles geographic_msgs
+colcon build --packages-select mavros_msgs # 這個依賴前面的
 ```