Add issue templates with Agentic Workflow option

Creates issue templates for new resources and a dedicated template
for Agentic Workflows with pre-filled frontmatter scaffolding.
Also updates the PR template to include workflow as a contribution type.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: brunoborges

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: true
+contact_links:
+  - name: Agentic Workflows Documentation
+    url: https://github.github.com/gh-aw
+    about: Learn how to create AI-powered repository automations with GitHub Agentic Workflows

.github/ISSUE_TEMPLATE/new-resource.yml

@@ -0,0 +1,33 @@
+---
+name: New Agent, Prompt, Instruction, Skill, or Hook
+description: Suggest or submit a new agent, prompt, instruction, skill, or hook
+title: "[Resource]: "
+labels: ["new-resource"]
+---
+
+### Resource Type
+
+<!-- Which type of resource is this? -->
+
+- [ ] Agent
+- [ ] Prompt
+- [ ] Instruction
+- [ ] Skill
+- [ ] Hook
+- [ ] Plugin
+
+### Name
+
+<!-- A clear, descriptive name for the resource -->
+
+### Description
+
+<!-- What does this resource do? What problem does it solve? -->
+
+### Content
+
+<!-- Paste the file content or describe the resource in detail -->
+
+### Additional Context
+
+<!-- Any other context, examples, or references -->

.github/ISSUE_TEMPLATE/new-workflow.yml

@@ -0,0 +1,43 @@
+---
+name: New Agentic Workflow
+description: Suggest or submit a new Agentic Workflow for AI-powered repository automation
+title: "[Workflow]: "
+labels: ["workflow", "new-resource"]
+---
+
+### Workflow Name
+
+<!-- A clear, descriptive name for the workflow -->
+
+### Description
+
+<!-- What does this workflow do? What problem does it solve? -->
+
+### Trigger Type
+
+<!-- When should this workflow run? (e.g., schedule, issues, pull_request, slash_command, workflow_dispatch) -->
+
+### Workflow Source
+
+<!-- Paste the .md workflow file content, or link to an existing workflow -->
+
+```markdown
+---
+name: ''
+description: ''
+triggers: []
+tags: []
+on:
+  # trigger config
+permissions:
+  contents: read
+safe-outputs:
+  # safe output config
+---
+
+<!-- Natural language instructions here -->
+```
+
+### Additional Context
+
+<!-- Any other context, examples, or references (e.g., link to Agentic Workflows docs) -->

.github/pull_request_template.md

@@ -1,10 +1,10 @@
 ## Pull Request Checklist
 
 - [ ] I have read and followed the [CONTRIBUTING.md](https://github.com/github/awesome-copilot/blob/main/CONTRIBUTING.md) guidelines.
-- [ ] My contribution adds a new instruction, prompt, agent, or skill file in the correct directory.
+- [ ] My contribution adds a new instruction, prompt, agent, skill, hook, or workflow file in the correct directory.
 - [ ] The file follows the required naming convention.
 - [ ] The content is clearly structured and follows the example format.
-- [ ] I have tested my instructions, prompt, agent, or skill with GitHub Copilot.
+- [ ] I have tested my instructions, prompt, agent, skill, or workflow with GitHub Copilot.
 - [ ] I have run `npm start` and verified that `README.md` is up to date.
 
 ---
@@ -22,7 +22,8 @@
 - [ ] New agent file.
 - [ ] New plugin.
 - [ ] New skill file.
-- [ ] Update to existing instruction, prompt, agent, plugin, or skill.
+- [ ] New agentic workflow.
+- [ ] Update to existing instruction, prompt, agent, plugin, skill, or workflow.
 - [ ] Other (please specify):
 
 ---