Fix documentation input path

Documentation~/Doxyfile

@@ -943,12 +943,22 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = ./Runtime \
+INPUT                  = ./Source/Runtime \
                          ./Documentation~/ \
                          ./README.md \
                          ./CHANGES.md \
                          ./Reinterop~/README.md
 
+# If the IMPLICIT_DIR_DOCS tag is set to YES, any README.md file found in 
+# sub-directories of the project's root, is used as the documentation for 
+# that sub-directory, except when the README.md starts with a \dir, \page 
+# or \mainpage command. If set to NO, the README.md file needs to start 
+# with an explicit \dir command in order to be used as directory documentation.
+#
+# The default value is: YES.
+
+IMPLICIT_DIR_DOCS = NO
+
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
 # libiconv (or the iconv built into libc) for the transcoding. See the libiconv