initial comit, ported scout_sdk and added hunter support

docs/misc/commands.md

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+# Commands
+
+## Create gif animation using "imagemagick"
+
+```
+$ convert -delay 120 -loop 0 *.png animated.gif
+```
+
+## Get statistics of the code base
+
+```
+$ sudo apt install cloc
+$ cd ~/Workspace/librav/src
+$ cloc --exclude-dir=cmake,lcmtypes,third_party .
+```
+
+## Create a pair of VSP’s
+
+```
+$ socat -d -d pty,raw,echo=0 pty,raw,echo=0
+```
+
+```
+$ cat nmea_test.txt > /dev/pts/6
+```
+
+## git subtree
+
+Adding the sub-project as a remote
+```
+$ git remote add -f [remote-name] [remote-url]
+$ git subtree add --prefix [sub-project-name] [remote-name] [branch-name] --squash
+```
+
+Update the sub-project
+```
+$ git fetch [remote-name] [branch-name] 
+$ git subtree pull --prefix [sub-project-name] [remote-name] [branch-name] --squash
+```
+
+Push to remote
+```
+$ git subtree push --prefix=[sub-project-name] [remote-name] [branch-name] 
+```
+
+Firmware branch update
+```
+$ git fetch fw_origin pios_pixcar
+$ git subtree pull --prefix firmware fw_origin pios_pixcar --squash
+```
+
+## Reference
+
+* [Git subtree: the alternative to Git submodule](https://www.atlassian.com/blog/git/alternatives-to-git-submodule-git-subtree)
+* [Virtual serial port: socat](https://justcheckingonall.wordpress.com/2009/06/09/howto-vsp-socat/)