chores (#6)

* remove rust code and reenable buf checks

* rename used messages and remove unused ones

.github/workflows/ci.yml

@@ -1,13 +1,14 @@
-name: Rust
+name: CI
 
 on:
   push:
     branches: [ "master" ]
   pull_request:
-    branches: [ "master" ]
+    types: [opened, synchronize, reopened, labeled, unlabeled]
 
-env:
-  CARGO_TERM_COLOR: always
+permissions:
+  contents: read
+  pull-requests: write
 
 jobs:
   build:
@@ -17,20 +18,5 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Install stable toolchain
-      uses: actions-rs/toolchain@v1
-      with:
-        toolchain: stable
-        override: true
-
-    - name: Rust Cache
-      uses: Swatinem/rust-cache@v2
-
-    - name: cargo build 
-      run: cargo build --verbose 
-
-    - name: cargo clippy
-      run: cargo clippy -- -D warnings
-
-    - name: cargo fmt
-      run: cargo fmt --check
+    - name: Run buf-build checks
+      uses: bufbuild/buf-action@v1