Add back old .kdev_include_paths files

Signed-off-by: falkTX <falktx@falktx.com>

source/backend/engine/.kdev_include_paths

@@ -0,0 +1,4 @@
+../
+../../includes/
+../../modules/
+../../utils/

source/backend/plugin/.kdev_include_paths

@@ -0,0 +1,4 @@
+../
+../../includes/
+../../modules/
+../../utils/

source/backend/utils/.kdev_include_paths

@@ -0,0 +1,4 @@
+../
+../../includes/
+../../modules/
+../../utils/

source/discovery/.kdev_include_paths

@@ -0,0 +1,4 @@
+../backend/
+../includes/
+../modules/
+../utils/

source/frontend/.kdev_include_paths

@@ -0,0 +1,3 @@
+../backend/
+../includes/
+../utils/

source/jackbridge/.kdev_include_paths

@@ -0,0 +1,3 @@
+../backend/
+../includes/
+../utils/