chore: Added github action (#112)

* Updated .github/pull_request_template.md

* Updated .github/workflows/pr_size.yml

Author: shubham-fyle

.github/pull_request_template.md

@@ -0,0 +1,5 @@
+### Description
+Please add PR description here, add screenshots if needed
+
+## Clickup
+Please add link here

.github/workflows/pr_size.yml

@@ -0,0 +1,21 @@
+name: Pull Request Labeling
+
+on: [pull_request]
+
+jobs:
+  size:
+    runs-on: ubuntu-latest
+    name: Label the PR size
+    steps:
+      - uses: "pascalgn/size-label-action@v0.4.3"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          sizes: >
+            {
+              "0": "XS",
+              "20": "S",
+              "50": "M",
+              "250": "L",
+              "800": "XL"
+            }