Adds LLMS Flow (#368)

* llms flow

* llms

* yaml install

* install requests

* llms

Author: albertov19

.github/workflows/check-llms.yml

@@ -0,0 +1,67 @@
+name: Validate llms.txt
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  check-llms:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pyyaml requests
+
+      - name: Get SHA256 hash of the PR's llms.txt file
+        id: pr_llms_hash
+        run: |
+          if [ -f "llms.txt" ]; then
+            # Calculate SHA256 hash of the llms.txt file in the PR branch (checked out by default)
+            sha256sum llms.txt | awk '{ print $1 }' > pr_sha256.txt
+          else
+            echo "0000" > pr_sha256.txt
+          fi
+          cat pr_sha256.txt
+
+      - name: Generate llms.txt using the Python script
+        run: python3 scripts/generate_llms.py
+
+      - name: Calculate SHA256 hash of the generated llms.txt
+        id: generated_llms_hash
+        run: |
+          # Full path to the generated llms.txt file
+          llms_file="/home/runner/work/polkadot-docs/polkadot-docs/llms.txt"
+
+          # Check if the file exists before calculating the hash
+          if [ -f "$llms_file" ]; then
+            sha256sum "$llms_file" | awk '{ print $1 }' > generated_sha256.txt
+          else
+            echo "Error: llms.txt not found at $llms_file"
+            exit 1
+          fi
+          cat generated_sha256.txt
+
+      - name: Compare the SHA256 hashes
+        run: |
+          generated_hash=$(cat generated_sha256.txt)
+          pr_hash=$(cat pr_sha256.txt)
+
+          if [ "$generated_hash" != "$pr_hash" ]; then
+            echo "Error: SHA256 hashes do not match. The generated llms.txt file differs from the one in the PR."
+            echo "You need to run the generate LLMS script:"
+            echo "python3 scripts/generate_llms.py"
+            exit 1
+          else
+            echo "SHA256 hashes match. The llms.txt file is consistent."
+          fi

infrastructure/running-a-validator/onboarding-and-offboarding/set-up-validator.md

@@ -206,7 +206,7 @@ Once the Polkadot binaries are installed, it's essential to verify that everythi
 
     The output should show the version numbers for each of the binaries. Ensure that the versions match and are consistent, similar to the following example (the specific version may vary):
 
-    --8<-- 'code/infrastructure/running-a-validator/onboarding-and-offboarding/requirements/terminal-output-01.html'
+    --8<-- 'code/infrastructure/running-a-validator/onboarding-and-offboarding/set-up-a-validator/terminal-output-01.html'
 
     If the versions do not match or if there is an error, double-check that all the binaries were correctly installed and are accessible within your `$PATH`.