Add Pi Research Agent package

Autonomous research agent with web search, source analysis, and report synthesis.
Built on Pi agent core. Available as CLI, programmatic API, and MCP server.

Features:
- 4 built-in tools: web_search, read_url, save_note, synthesize_report
- CLI with TUI and print modes
- Programmatic API via ResearchAgent class
- MCP server with 3 tools: research, quick_search, read_url
- Skills system for custom research behavior
- Automatic .env file loading for API keys
- Configurable max turns, output formats (markdown/JSON/bullet)
- Automatic report saving to research-output/

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+description: Report a bug in Pi Research Agent
+title: "[Bug]: "
+labels: bug
+---
+
+## Description
+
+A clear and concise description of what the bug is.
+
+## Steps to Reproduce
+
+1. 
+2. 
+3. 
+4. 
+
+## Expected Behavior
+
+What you expected to happen.
+
+## Actual Behavior
+
+What actually happened.
+
+## Environment
+
+- **OS**: 
+- **Node.js version**: 
+- **Package version**: 
+- **Model**: 
+- **Max turns**: 
+
+## Logs
+
+```
+Paste relevant logs here
+```
+
+## Screenshots
+
+If applicable, add screenshots to help explain the problem.
+
+## Additional Context
+
+Any other relevant information.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+description: Suggest a new feature for Pi Research Agent
+title: "[Feature]: "
+labels: enhancement
+---
+
+## Description
+
+A clear and concise description of the feature you'd like to see.
+
+## Use Case
+
+Describe the problem this feature would solve.
+
+## Proposed Solution
+
+How would you like this feature to work?
+
+## Alternatives
+
+Any alternative solutions or features you've considered.
+
+## Additional Context
+
+Any other relevant information, screenshots, or examples.

.github/ISSUE_TEMPLATE/question.md

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+---
+name: Question
+description: Ask a question about Pi Research Agent
+title: "[Question]: "
+labels: question
+---
+
+## Question
+
+What would you like to know?
+
+## Context
+
+Any relevant context that might help answer the question.
+
+## What I've Tried
+
+What have you already tried or researched?