Create setup action

Author: koki-develop

.github/actions/setup/action.yml

@@ -0,0 +1,17 @@
+name: Setup
+description: Setup the environment
+
+runs:
+  using: composite
+  steps:
+    - uses: jdx/mise-action@5083fe46898c414b2475087cc79da59e7da859e8 # v2.1.11
+
+    - uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+      with:
+        path: ~/.bun/install/cache
+        key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-bun-
+    - name: Install dependencies
+      shell: bash
+      run: bun install --frozen-lockfile