Create Doxyfile.in

Doxyfile.in

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+# Adapted from https://github.com/xtensor-stack/xtensor/blob/master/docs/Doxyfile
+PROJECT_NAME = "engine3d"
+INPUT = libraries/
+FILE_PATTERNS = *.h*
+EXTRACT_STATIC = YES
+EXCLUDE_PATTERNS = */third_party/*
+HAVE_DOT = YES
+OUTPUT_DIRECTORY = doxygen_output/
+XML_OUTPUT = xml
+GENERATE_LATEX = NO
+GENERATE_MAN = NO
+GENERATE_RTF = NO
+CASE_SENSE_NAMES = NO
+GENERATE_HTML = YES
+GENERATE_XML = YES
+RECURSIVE = YES
+QUIET = YES
+PREDEFINED = IN_DOXYGEN
+EXCLUDE_SYMBOLS = detail
+GENERATE_TREEVIEW = YES
+SOURCE_BROWSER = YES
+WARN_IF_UNDOCUMENTED = YES