fix(docs): Add links to setup-data keys (#360)

# What ❔

Add link to prover setup-keys json file and add initial file

## Why ❔

## Checklist

<!-- Check your PR fulfills the following items. -->
<!-- For draft PRs check the boxes as you complete them. -->

- [ ] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [ ] Tests for the changes have been added / updated.
- [ ] Documentation comments have been added / updated.
- [ ] Code has been formatted via `zk fmt` and `zk lint`.

.github/workflows/ci.yml

@@ -36,6 +36,8 @@ jobs:
             prover:
               - 'prover/**'
               - '!prover/CHANGELOG.md'
+              - '!prover/setup-data-cpu-keys.json'
+              - '!prover/setup-data-keys.json'
               - 'docker/prover*/**'
               - '.github/workflows/build-prover-template.yml'
               - '.github/workflows/ci-prover-reusable.yml'

docs/advanced/prover_keys.md

@@ -29,6 +29,9 @@ SNARK based with KZG commitment. This results in slightly different contents of
 
 ## Keys
 
+> You can find links to buckets with latest keys
+> [here](https://github.com/matter-labs/zksync-era/blob/main/prover/setup-data-keys.json).
+
 ### Setup key (big, 14GB)
 
 The primary key for a given circuit is called `setup key`. These keys can be substantial in size - approximately 14GB

prover/setup-data-cpu-keys.json

@@ -0,0 +1,10 @@
+[
+  {
+    "26ee1fb":
+    {
+      "us": "gs://matterlabs-setup-data-us/26ee1fb/",
+      "europe": "gs://matterlabs-setup-data-europe/26ee1fb/",
+      "asia": "gs://matterlabs-setup-data-asia/26ee1fb/"
+    }
+  }
+]

prover/setup-data-keys.json

@@ -0,0 +1,10 @@
+[
+  {
+    "26ee1fb-gpu":
+    {
+      "us": "gs://matterlabs-setup-data-us/26ee1fb-gpu/",
+      "europe": "gs://matterlabs-setup-data-europe/26ee1fb-gpu/",
+      "asia": "gs://matterlabs-setup-data-asia/26ee1fb-gpu/"
+    }
+  }
+]