chore: add issue templates and remove old PR template

Author: bfabio

.github/ISSUE_TEMPLATE/blank_issue.md

@@ -0,0 +1,7 @@
+---
+name: Blank Issue
+about: I want to create a blank issue
+labels: waiting-for-triage
+assignees: publiccodeyml/maintainers
+
+---

.github/ISSUE_TEMPLATE/bug_or_enhancement.md

@@ -0,0 +1,15 @@
+---
+name: Bug report or enhancement
+about: I want to report a bug or a possible enhancement to the repository (not Standard related)
+labels: enhancement, waiting-for-triage
+assignees: publiccodeyml/maintainers
+
+---
+<!--
+Thank you for your report! 😃
+
+Please describe the bug or the enhancement you'd like to see in the repo.
+
+If instead you want to propose changes to the Standard or the Governance
+of the project, please take a look at [procedure-proposing-changes.md](/governance/procedure-proposing-changes.md#voting).
+-->

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: true
+contact_links:
+  - name: Proposal to change something in the Standard
+    url: https://github.com/publiccodeyml/publiccode.yml/discussions/new?category=general
+    about: I want to propose a change to the Standard or the Governance
+  - name: New question
+    url: https://github.com/publiccodeyml/publiccode.yml/discussions/new?category=Q-A
+    about: I have a question about the code, the Standard or the Governance
+  - name: New idea
+    url: https://github.com/publiccodeyml/publiccode.yml/discussions/new?category=ideas
+    about: I have a new idea I want to share