fix: update broken links (#265)

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# Description

Links are broken for the `era-compiler-solidity` repo, as it looks like
that repo was refactored

---------

Co-authored-by: Oleksandr Zarudnyi <[email protected]>

content/10.zk-stack/10.components/70.compiler/20.specification/70.binary-layout.md

@@ -361,9 +361,7 @@ It is placed immediately after the code region and contains:
 An optional, implementation-defined hash of the contract metadata, which may include its
 source.
 Depending on the initial layer where the compilation starts (a Solidity
-contract, its YUL code, assembly), the hash value may be different.
+contract, its Yul code, assembly), the hash value may be different.
 
-Currently either the hash is computed as `keccak256`, or it is omitted completely.
-
-- [Definition of metadata hash.](https://github.com/matter-labs/era-compiler-solidity/blob/main/src/project/contract/metadata.rs)
-- [Front-end code that passes hash to the assembly.](https://github.com/matter-labs/era-compiler-solidity/blob/main/src/project/contract/mod.rs#L146)
+- [Metadata usage and definition.](https://github.com/matter-labs/era-compiler-solidity/blob/main/docs/src/02-command-line-interface.md#--metadata)
+- [Supported metadata hash types.](https://github.com/matter-labs/era-compiler-solidity/blob/main/docs/src/02-command-line-interface.md#--metadata-hash)