all: setup steps for inclusion into oss-fuzz for scalable and continuous fuzzing

[odeke-em]

Summary

Running fuzzers offline is quite tedious and consumes all my CPU and RAM rendering my machine unusable, but also unable to fuzz other code. oss-fuzz exists and there are docs for adding new projects https://google.github.io/oss-fuzz/getting-started/, and we’ll just need to follow the steps, add contacts, and then fuzz targets that we can start to scalably and independently write more passes

cc @cuonglm

For Admin Use

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[odeke-em]

@cuonglm from my team has made a PR for adding the cosmos-sdk to oss-fuzz per google/oss-fuzz#5631. As we fuzz more we'll keep updating oss-fuzz, but essentially it'll send us alerts and we'll file issues respectively here.

[odeke-em]

Successfully added and merged per google/oss-fuzz#5631! Let the continuous fuzzing begin.

[odeke-em]

@marbar3778 @tessr @ebuchman we've just submitted cosmos-sdk to oss-fuzz for continuous fuzzing, and perhaps in a week or three, we'll also submit Tendermint and keep writing more fuzzers. Thank you!