chore: revamp README (#126)

docs/configuration.md

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+# Configuration
+
+Task Master can be configured through environment variables in a `.env` file at the root of your project.
+
+## Required Configuration
+
+- `ANTHROPIC_API_KEY`: Your Anthropic API key for Claude (Example: `ANTHROPIC_API_KEY=sk-ant-api03-...`)
+
+## Optional Configuration
+
+- `MODEL` (Default: `"claude-3-7-sonnet-20250219"`): Claude model to use (Example: `MODEL=claude-3-opus-20240229`)
+- `MAX_TOKENS` (Default: `"4000"`): Maximum tokens for responses (Example: `MAX_TOKENS=8000`)
+- `TEMPERATURE` (Default: `"0.7"`): Temperature for model responses (Example: `TEMPERATURE=0.5`)
+- `DEBUG` (Default: `"false"`): Enable debug logging (Example: `DEBUG=true`)
+- `LOG_LEVEL` (Default: `"info"`): Console output level (Example: `LOG_LEVEL=debug`)
+- `DEFAULT_SUBTASKS` (Default: `"3"`): Default subtask count (Example: `DEFAULT_SUBTASKS=5`)
+- `DEFAULT_PRIORITY` (Default: `"medium"`): Default priority (Example: `DEFAULT_PRIORITY=high`)
+- `PROJECT_NAME` (Default: `"MCP SaaS MVP"`): Project name in metadata (Example: `PROJECT_NAME=My Awesome Project`)
+- `PROJECT_VERSION` (Default: `"1.0.0"`): Version in metadata (Example: `PROJECT_VERSION=2.1.0`)
+- `PERPLEXITY_API_KEY`: For research-backed features (Example: `PERPLEXITY_API_KEY=pplx-...`)
+- `PERPLEXITY_MODEL` (Default: `"sonar-medium-online"`): Perplexity model (Example: `PERPLEXITY_MODEL=sonar-large-online`)
+
+## Example .env File
+
+```
+# Required
+ANTHROPIC_API_KEY=sk-ant-api03-your-api-key
+
+# Optional - Claude Configuration
+MODEL=claude-3-7-sonnet-20250219
+MAX_TOKENS=4000
+TEMPERATURE=0.7
+
+# Optional - Perplexity API for Research
+PERPLEXITY_API_KEY=pplx-your-api-key
+PERPLEXITY_MODEL=sonar-medium-online
+
+# Optional - Project Info
+PROJECT_NAME=My Project
+PROJECT_VERSION=1.0.0
+
+# Optional - Application Configuration
+DEFAULT_SUBTASKS=3
+DEFAULT_PRIORITY=medium
+DEBUG=false
+LOG_LEVEL=info
+```
+
+## Troubleshooting
+
+### If `task-master init` doesn't respond:
+
+Try running it with Node directly:
+
+```bash
+node node_modules/claude-task-master/scripts/init.js
+```
+
+Or clone the repository and run:
+
+```bash
+git clone https://github.com/eyaltoledano/claude-task-master.git
+cd claude-task-master
+node scripts/init.js
+```