Stabilize circom frontend (#101)

* refactor test of compute_c circuit to use multiple lcccs&cccs instances

* refactor hypernova's compute_c circuit to reduce from `110635` to `553` constraints

* fix: change circom fcircuit to extract indexes of inputs and add keccak satisfaction test

* fix: disable wire mapping when loading r1cs

* chore: update .gitignore and compile.sh

* fix: use fixed circom-compat branch

* fix: use slice rather than vec ref

* chore: add keccak-chain circom

* chore: trigger checks

* fix: make typos check circom files names but not their content

* chore: remove keccak, add tests with more lightweight circom templates, test that circom circuits correctly result in Ok and Err when needed

* chore: trigger checks

* fix: re-add circuit for full flow example, change naming

* chore: comment with link to issue 104, disable constraints check

* chore: remove `full_flow_example` from the examples and its
corresponding circom circuit

* chore: update `circom-compat` repo

* chore: clippy

* chore: stop excluding circom files from typos checker

* chore: remove changes on `typos.toml`

---------

Co-authored-by: arnaucube <root@arnaucube.com>

folding-schemes/Cargo.toml

@@ -14,7 +14,7 @@ ark-relations = { version = "^0.4.0", default-features = false }
 ark-r1cs-std = { version = "0.4.0", default-features = false } # this is patched at the workspace level
 ark-snark = { version = "^0.4.0"}
 ark-serialize = "^0.4.0"
-ark-circom = { git = "https://github.com/arnaucube/circom-compat.git" }
+ark-circom = { git = "https://github.com/arnaucube/circom-compat" }
 thiserror = "1.0"
 rayon = "1.7.0"
 num-bigint = "0.4"