docs: use main instead of dev for API docs

.github/workflows/rustdoc.yml

@@ -1,10 +1,6 @@
 name: rustdoc
 
-on:
-  push:
-    branches: [dev]
-  pull_request:
-    branches: [dev]
+on: [push, pull_request]
 
 env:
   CARGO_TERM_COLOR: always
@@ -23,17 +19,16 @@ jobs:
 
       - name: "rustdoc"
         run: cargo doc -p tlsn-core -p tlsn-prover -p tlsn-verifier --no-deps --all-features
-        # --target-dir ${GITHUB_WORKSPACE}/docs
 
       # https://dev.to/deciduously/prepare-your-rust-api-docs-for-github-pages-2n5i
       - name: "Add index file -> tlsn_prover"
+        if: ${{ github.ref == 'refs/heads/main' }}
         run: |
           echo "<meta http-equiv=\"refresh\" content=\"0; url=tlsn_prover\">" > target/doc/index.html
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: ${{ github.ref == 'refs/heads/dev' }}
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: target/doc/
-          # cname: rustdocs.tlsnotary.org