docs: add contributing templates

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
-        rust-version: ["1.70.0", "stable"]
+        rust-version: ["1.74.0", "stable"]
     steps:
       - uses: "actions/checkout@v4.1.1"
 
@@ -48,3 +48,17 @@ jobs:
         with:
           configFile: ".commitlintrc.json"
           failOnWarnings: true
+
+  lint-prettier:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v4.1.1"
+
+      - name: "Setup Node.js"
+        uses: "actions/setup-node@v4.0.1"
+        with:
+          node-version: "20.11.0"
+
+      - run: "npm install --global prettier@3.2.4"
+
+      - run: "prettier . --check"