fix typos

[futreall]

1. CONTRIBUTING.md:

   • reproducitibility -> reproducibility

2. accounts/wallet/README.md:

   • FOILLOWING -> FOLLOWING

3. cmd/clif/rules.md:

   • writeable -> writable

4. cmd/evm/README.md:

   • behaviour -> behavior
   • blockshashes -> blockhashes

5. cmd/faucet/README.md:

   • contain -> containing

6. tests/fuzzers/README.md:

   • suppressions -folder -> suppressions folder (hyphen removed)

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[futreall]

@gravityblast @bts Hey! Could you please run the migration to apply the changes? I’d really appreciate it!