feat: add screenshot and ocr functionality with web interface

build: update makefile with new dependencies for tesseract and libpng
chore: reorganize example files into examples directory

build/main.d

@@ -20,7 +20,8 @@ build/main.o: src/main.c include/dwn.h include/config.h include/dwn.h \
  /usr/include/dbus-1.0/dbus/dbus-syntax.h \
  /usr/include/dbus-1.0/dbus/dbus-threads.h include/systray.h \
  include/news.h include/applauncher.h include/ai.h include/autostart.h \
- include/services.h include/api.h include/demo.h include/util.h
+ include/services.h include/api.h include/demo.h include/screenshot.h \
+ include/ocr.h include/util.h
 include/dwn.h:
 include/config.h:
 include/dwn.h:
@@ -58,4 +59,6 @@ include/autostart.h:
 include/services.h:
 include/api.h:
 include/demo.h:
+include/screenshot.h:
+include/ocr.h:
 include/util.h: