[Chore] Chromatic Github Action 추가

.github/workflows/main.yml

@@ -0,0 +1,24 @@
+# Workflow name
+name: "Chromatic"
+
+# Event for the workflow
+on: push
+
+# List of jobs
+jobs:
+  chromatic-deployment:
+    # Operating System
+    runs-on: ubuntu-latest
+    # Job steps
+    steps:
+      - uses: actions/checkout@v1
+      - name: Install dependencies
+        # 👇 Install dependencies with the same package manager used in the project (replace it as needed), e.g. yarn, npm, pnpm
+        run: yarn
+        # 👇 Adds Chromatic as a step in the workflow
+      - name: Publish to Chromatic
+        uses: chromaui/action@v1
+        # Chromatic GitHub Action options
+        with:
+          # 👇 Chromatic projectToken, refer to the manage page to obtain it.
+          projectToken: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}