Chop manifest module into multiple submodules

[mkaput]

Stack:

• Change resolver algorithm to always try to query for dependency candi… #358
• Create starknet plugin package #357
• Create ManifestBuilder and move checks inside #350
• Use typed-builder for Summary build process #356
• Parse [cairo-plugin] in Scarb.toml #355
• Chop manifest module into multiple submodules #354 ⬅
• Implement registry patching mechanism and use it to enforce pulling core from std source #353
• Change resolver algorithm to always try to query for dependency candidate, in case it might end up being patched by the registry #352

⚠️ Part of a stack created by spr. Do not merge manually using the UI - doing so may have unexpected results.

[mkaput]

✓ Commit merged in pull request #355