Add PR description lint

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,11 @@
+*Issue #, if available:*
+
+*What was changed?*
+
+*Why was it changed?*
+
+*How was it changed?*
+
+*What testing was done for the changes?*
+
+By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

.github/workflows/pr-desc-lint.yml

@@ -0,0 +1,55 @@
+name: PR Description Check
+
+on:
+  pull_request:
+    branches:
+      - develop
+      - master
+    types:
+      - opened
+      - synchronize
+      - reopened
+      - edited
+
+jobs:
+  check-description:
+    runs-on: macos-latest
+    steps:
+      - name: Install GitHub CLI
+        run: |
+          brew install gh
+
+      - name: Check PR Description
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          pr_description=$(gh pr view https://github.com/${GITHUB_REPOSITORY}/pull/${{ github.event.pull_request.number }} --json body -q ".body")
+          error_occurred=0
+          # Define minimum character count for each section
+          MIN_CHARS=25
+
+          # Extract contents
+          what_changed=$(echo "$pr_description" | sed -n -e '/\*What was changed?\*/,/\*/p' | sed '$d' | sed '1d')
+          why_changed=$(echo "$pr_description" | sed -n -e '/\*Why was it changed?\*/,/\*/p' | sed '$d' | sed '1d')
+          how_changed=$(echo "$pr_description" | sed -n -e '/\*How was it changed?\*/,/\*/p' | sed '$d' | sed '1d')
+          testing_done=$(echo "$pr_description" | sed -n -e '/\*What testing was done for the changes?\*/,/\*/p' | sed '$d' | sed '1d')
+
+          if [[ ${#what_changed} -lt $MIN_CHARS ]]; then
+            echo "PR description for what changed section is either missing or too short."
+            error_occurred=1
+          fi
+          if [[ ${#why_changed} -lt $MIN_CHARS ]]; then
+            echo "PR description for why it changed section is either missing or too short."
+            error_occurred=1
+          fi
+          if [[ ${#how_changed} -lt $MIN_CHARS ]]; then
+            echo "PR description for how was it changed section is either missing or too short."
+            error_occurred=1
+          fi
+          if [[ ${#testing_done} -lt $MIN_CHARS ]]; then
+            echo "PR description for testing section are either missing or too short."
+            error_occurred=1
+          fi
+          if [[ $error_occurred -eq 1 ]]; then
+          exit 1
+          fi