Teach kapidox about action macros and deprecation macros

docs/Doxyfile.local

+### KApiDox Project-specific Overrides File
+
+EXPAND_AS_DEFINED = \
+    KSTANDARDGAMEACTION_WITH_NEW_STYLE_CONNECT \
+    KSTANDARDGAMETOGGLEACTION_WITH_NEW_STYLE_CONNECT
+# define so that deprecated API is not skipped
+PREDEFINED += \
+    "KDEGAMES_ENABLE_DEPRECATED_SINCE(x, y)=1" \
+    "KDEGAMES_BUILD_DEPRECATED_SINCE(x, y)=1" \
+    "KDEGAMES_DEPRECATED_VERSION(x, y, t)=" \
+    KDEGAMES_EXPORT= \
+    "KDEGAMESPRIVATE_ENABLE_DEPRECATED_SINCE(x, y)=1" \
+    "KDEGAMESPRIVATE_BUILD_DEPRECATED_SINCE(x, y)=1" \
+    "KDEGAMESPRIVATE_DEPRECATED_VERSION(x, y, t)=" \
+    KDEGAMESPRIVATE_EXPORT=