repo: add Gitea pull request template

.gitea/PULL_REQUEST_TEMPLATE.yaml

@@ -0,0 +1,17 @@
+name: Pull Request
+about: Open a pull request
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: "Description"
+      placeholder: "What's the nature of this pull request?"
+    validations:
+      required: false
+  - type: checkboxes
+    id: agreement
+    attributes:
+      label: "Agreement"
+      options:
+        - label: I have read and understood the [Development](https://gitea.com/EvergreenCrypto/docker-finance#development) and [License](https://gitea.com/EvergreenCrypto/docker-finance#license-and-disclaimer) documentation
+          required: true