Add dependencies/vendor (whatsapp)

vendor/modernc.org/sqlite/SQLITE-LICENSE

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+SQLite Is Public Domain
+
+All of the code and documentation in SQLite has been dedicated to the public
+domain by the authors. All code authors, and representatives of the companies
+they work for, have signed affidavits dedicating their contributions to the
+public domain and originals of those signed affidavits are stored in a firesafe
+at the main offices of Hwaci. Anyone is free to copy, modify, publish, use,
+compile, sell, or distribute the original SQLite code, either in source code
+form or as a compiled binary, for any purpose, commercial or non-commercial,
+and by any means.
+
+The previous paragraph applies to the deliverable code and documentation in
+SQLite - those parts of the SQLite library that you actually bundle and ship
+with a larger application. Some scripts used as part of the build process (for
+example the "configure" scripts generated by autoconf) might fall under other
+open-source licenses. Nothing from these build scripts ever reaches the final
+deliverable SQLite library, however, and so the licenses associated with those
+scripts should not be a factor in assessing your rights to copy and use the
+SQLite library.
+
+All of the deliverable code in SQLite has been written from scratch. No code
+has been taken from other projects or from the open internet. Every line of
+code can be traced back to its original author, and all of those authors have
+public domain dedications on file. So the SQLite code base is clean and is
+uncontaminated with licensed code from other projects.