ncnn_node: distill feature points based on ncnn library

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imu_odom_node (no finish): 1. static initialize (finish); 2.

Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
figures		figures
include		include
models		models
src		src
CMakeLists.txt		CMakeLists.txt
README.md		README.md
package.xml		package.xml