feat: make configs.yaml local and add configs.yaml.example template

- Add configs.yaml.example with all available configurations
- Add configs.yaml to .gitignore to prevent tracking local configs
- Remove configs.yaml from git tracking with git rm --cached
- Update README with separate sections for configs.yaml and .env
- Maintain consistent naming convention with .env.example

configs.yaml.example

@@ -0,0 +1,53 @@
+port: 8000
+gradio_share: false
+logging_level: INFO
+
+strategies:
+  - name: Conservative
+    label: Conservative
+    description: Focus on stable and low-risk investments.
+  - name: Balanced
+    label: Balanced
+    description: A mix of growth and stability.
+  - name: Aggressive
+    label: Aggressive
+    description: High-risk, high-reward investments.
+
+models:
+  gemini:
+    - name: gemini-2.0-flash
+      label: Gemini
+    - name: gemini-2.0-pro
+      label: Gemini Pro
+  gpt:
+    - name: gpt-4o
+      label: OpenAIChat
+  deepseek:
+    - name: deepseek-chat
+      label: DeepSeek
+  mistral:
+    - name: mistral-large-latest
+      label: Mistral
+  ollama:
+    - name: gpt-oss:latest
+      label: Ollama GPT
+    - name: qwen3:8b
+      label: Qwen 3 (8B)
+    - name: qwen3:4b
+      label: Qwen 3 (4B)
+    - name: qwen3:1.7b
+      label: Qwen 3 (1.7B)
+
+api:
+  retry_attempts: 3
+  retry_delay_seconds: 2
+  market_providers: [YFinanceWrapper, BinanceWrapper, CoinBaseWrapper, CryptoCompareWrapper]
+  news_providers: [DuckDuckGoWrapper, GoogleNewsWrapper, NewsApiWrapper, CryptoPanicWrapper]
+  social_providers: [RedditWrapper, XWrapper, ChanWrapper]
+
+agents:
+  strategy: Conservative
+  team_model: qwen3:8b
+  team_leader_model: qwen3:8b
+  query_analyzer_model: qwen3:8b
+  report_generation_model: qwen3:8b