[client] overlay: add new configuration overlay [wip]

common/CMakeLists.txt

@@ -22,6 +22,7 @@ endif()
 add_subdirectory(src/platform)
 
 set(COMMON_SOURCES
+  src/appstrings.c
   src/stringutils.c
   src/stringlist.c
   src/option.c

common/include/common/types.h

@@ -87,4 +87,11 @@ typedef enum CursorType
 }
 CursorType;
 
+typedef struct StringPair
+{
+  const char * name;
+  const char * value;
+}
+StringPair;
+
 #endif