renamed some folders

contrib/CMakeLists.txt

@@ -1,11 +1,9 @@
-if(FSFW_ADD_SPG4_PROPAGATOR)
-    target_sources(${LIB_FSFW_NAME} PRIVATE
-        sgp4/sgp4unit.cpp
-    )
-    target_include_directories(${LIB_FSFW_NAME} PRIVATE
-        ${CMAKE_CURRENT_SOURCE_DIR}/sgp4
-    )
-    target_include_directories(${LIB_FSFW_NAME} INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}/sgp4
-    )
-endif()
+target_include_directories(${LIB_FSFW_NAME} PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+target_include_directories(${LIB_FSFW_NAME} INTERFACE
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+add_subdirectory(fsfw-contrib)

contrib/fsfw-contrib/CMakeLists.txt

@@ -0,0 +1,11 @@
+if(FSFW_ADD_SPG4_PROPAGATOR)
+    target_sources(${LIB_FSFW_NAME} PRIVATE
+        sgp4/sgp4unit.cpp
+    )
+    target_include_directories(${LIB_FSFW_NAME} PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/sgp4
+    )
+    target_include_directories(${LIB_FSFW_NAME} INTERFACE
+        ${CMAKE_CURRENT_SOURCE_DIR}/sgp4
+    )
+endif()