Add initial wasm_corpus

This matches content from the following GCS object:
gs://v8-wasm-fuzzer/5e785f96e6a9bb5a1fb54cc8649a551569aeb31d

R=ahaas, jojwang@google.com

Bug: b/337115560
Change-Id: I81e164c3c74abfa22b9e66dbb8f40769fec89b2e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/fuzzer_wasm_corpus/+/5497881
Reviewed-by: Andreas Haas <ahaas@chromium.org>