Initial package (#1)

* Initial package

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Use latest vision_msgs with string id

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Tiny improvements

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Add parser tests and ignore blank lines in class names

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Test when cfg file does not exist

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Rename test

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* openrobotics_darknet_ros -> openrobotics::darknet_ros

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Added visibility files

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Rename files

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* darknet_node -> detector_node

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Rename files

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Rename files

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* DetectorNetwork and DetectorNode

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Simple readme

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Add Example section

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Example actually works

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Fix link

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

* Linter tests pass

Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

test/data/1_class_name.txt

@@ -0,0 +1 @@
+tomato

test/data/3_class_names_with_whitespace.txt

@@ -0,0 +1,10 @@
+
+
+
+foo
+
+
+bar
+
+
+baz

test/data/5_class_names.txt

@@ -0,0 +1,5 @@
+car
+boat
+bus
+airplane
+space ship