Update Doxyfile

Author: kakopappa

Doxyfile

@@ -864,9 +864,9 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = ..\esp8266-esp32-sdk\src \
-                         ..\esp8266-esp32-sdk\README.md \
-                         ..\esp8266-esp32-sdk\src\Capabilities \
+INPUT                  = ./esp8266-esp32-sdk/src \
+                         ./esp8266-esp32-sdk/README.md \
+                         ./esp8266-esp32-sdk/src/Capabilities \
                          documentation.dox
 
 # This tag can be used to specify the character encoding of the source files