Migrate to issue based exercise flow

.github/steps/1-step.md

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+## Step 1: (replace-me: STEP-NAME)
+
+(replace-me: OPTIONAL Brief story or scenario to introduce the step)
+
+### 📖 Theory: (replace-me: Theory title)
+
+<!-- GitHub-styled notifications can be used outside of ordered lists. Available options are: NOTE, IMPORTANT, WARNING, TIP, CAUTION -->
+<!--
+> [!NOTE]
+> (Important note or additional information relevant to this section)
+ -->
+
+(replace-me: Optional theory or background information relevant to this step)
+
+### ⌨️ Activity: (replace-me: Activity title)
+
+1. (replace-me: First instruction)
+1. (replace-me: Second instruction)
+1. (replace-me: Additional instructions as needed)
+
+<details>
+<summary>Having trouble? 🤷</summary><br/>
+
+- (replace-me: Troubleshooting tip or hint)
+- (replace-me: Additional troubleshooting tips as needed)
+
+</details>

.github/steps/2-step.md

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+## Step 1: (replace-me: STEP-NAME)
+
+(replace-me: OPTIONAL Brief story or scenario to introduce the step)
+
+### 📖 Theory: (replace-me: Theory title)
+
+<!-- GitHub-styled notifications can be used outside of ordered lists. Available options are: NOTE, IMPORTANT, WARNING, TIP, CAUTION -->
+<!--
+> [!NOTE]
+> (Important note or additional information relevant to this section)
+ -->
+
+(replace-me: Optional theory or background information relevant to this step)
+
+### ⌨️ Activity: (replace-me: Activity title)
+
+1. (replace-me: First instruction)
+1. (replace-me: Second instruction)
+1. (replace-me: Additional instructions as needed)
+
+<details>
+<summary>Having trouble? 🤷</summary><br/>
+
+- (replace-me: Troubleshooting tip or hint)
+- (replace-me: Additional troubleshooting tips as needed)
+
+</details>

.github/steps/3-step.md

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+## Step 1: (replace-me: STEP-NAME)
+
+(replace-me: OPTIONAL Brief story or scenario to introduce the step)
+
+### 📖 Theory: (replace-me: Theory title)
+
+<!-- GitHub-styled notifications can be used outside of ordered lists. Available options are: NOTE, IMPORTANT, WARNING, TIP, CAUTION -->
+<!--
+> [!NOTE]
+> (Important note or additional information relevant to this section)
+ -->
+
+(replace-me: Optional theory or background information relevant to this step)
+
+### ⌨️ Activity: (replace-me: Activity title)
+
+1. (replace-me: First instruction)
+1. (replace-me: Second instruction)
+1. (replace-me: Additional instructions as needed)
+
+<details>
+<summary>Having trouble? 🤷</summary><br/>
+
+- (replace-me: Troubleshooting tip or hint)
+- (replace-me: Additional troubleshooting tips as needed)
+
+</details>

.github/steps/x-review.md

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+## Review
+
+_Congratulations, you've completed this exercise and learned a lot about (replace-me: feature/product that was taught in this exercise)
+
+<img src="https://octodex.github.com/images/jetpacktocat.png" alt="celebrate" width=200 align=right>
+
+Here's a recap of your accomplishments:
+
+- (replace-me: Accomplishment #1)
+- (replace-me: Accomplishment #N)
+
+### What's next?
+
+- (replace-me: Natural follow up Skills exercise - if there is one)
+- (replace-me: Documentation link to learn more about the feature)
+- (replace-me: Other resources or calls to action)

.github/workflows/0-start-exercise.yml

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+name: Step 0 # Start Exercise
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  actions: write
+  issues: write
+
+env:
+  STEP_1_FILE: ".github/steps/1-step.md"
+
+jobs:
+  start_exercise:
+    if: |
+      !github.event.repository.is_template
+    name: Start Exercise
+    uses: skills/exercise-toolkit/.github/workflows/start-exercise.yml@v0.4.0
+    with:
+      exercise-title: "(replace-me: Exercise title)"
+      intro-message: "(replace-me: Brief one line introduction message for the exercise)"
+
+  post_next_step_content:
+    name: Post next step content
+    runs-on: ubuntu-latest
+    needs: [start_exercise]
+    env:
+      ISSUE_URL: ${{ needs.start_exercise.outputs.issue-url }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Get response templates
+        uses: actions/checkout@v4
+        with:
+          repository: skills/exercise-toolkit
+          path: exercise-toolkit
+          ref: v0.4.0
+
+      - name: Build comment - add step content
+        id: build-comment
+        uses: skills/action-text-variables@v2
+        with:
+          template-file: ${{ env.STEP_1_FILE }}
+          template-vars: |
+            login: ${{ github.actor }}
+            full_repo_name: ${{ github.repository }}
+
+      - name: Create comment - add step content
+        run: |
+          gh issue comment "$ISSUE_URL" \
+            --body "$ISSUE_BODY"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ISSUE_BODY: ${{ steps.build-comment.outputs.updated-text }}
+
+      - name: Create comment - watching for progress
+        run: |
+          gh issue comment "$ISSUE_URL" \
+            --body-file "exercise-toolkit/markdown-templates/step-feedback/watching-for-progress.md"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Enable next step workflow
+        run: |
+          gh workflow disable "${{github.workflow}}"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}