Add docs, CI workflows, agent config, and supporting files

- Add MkDocs documentation with API reference for the CLI module
- Add CI/CD and Claude Code review GitHub Actions workflows
- Add Dependabot and Renovate configuration for dependency updates
- Add .claude settings, agents, and local-qa skill with QA script
- Add AGENTS.md with repository guidelines and CLAUDE.md symlink
- Update README.md with installation, usage examples, and commands

https://claude.ai/code/session_01YW3YHru8wRH9dvHnBX7xf1

mkdocs.yml

@@ -0,0 +1,71 @@
+site_name: mt5cli API Documentation
+site_description: Command-line tool for MetaTrader 5
+site_author: dceoy
+site_url: https://github.com/dceoy/mt5cli
+
+repo_name: dceoy/mt5cli
+repo_url: https://github.com/dceoy/mt5cli
+
+theme:
+  name: material
+  palette:
+    - scheme: default
+      primary: blue
+      accent: blue
+      toggle:
+        icon: material/brightness-7
+        name: Switch to dark mode
+    - scheme: slate
+      primary: blue
+      accent: blue
+      toggle:
+        icon: material/brightness-4
+        name: Switch to light mode
+  features:
+    - content.code.annotate
+    - content.code.copy
+    - navigation.indexes
+    - navigation.sections
+    - navigation.tabs
+    - navigation.top
+    - search.highlight
+    - search.share
+    - search.suggest
+    - toc.follow
+
+plugins:
+  - search
+  - mkdocstrings:
+      handlers:
+        python:
+          paths: [.]
+          options:
+            show_source: true
+            show_root_heading: true
+            show_root_toc_entry: true
+            docstring_style: google
+            docstring_section_style: table
+            separate_signature: true
+            show_signature_annotations: true
+            signature_crossrefs: true
+            merge_init_into_class: true
+            show_if_no_docstring: true
+
+nav:
+  - Home: index.md
+  - API Reference:
+      - Overview: api/index.md
+      - CLI: api/cli.md
+
+markdown_extensions:
+  - admonition
+  - pymdownx.details
+  - pymdownx.superfences
+  - pymdownx.highlight:
+      anchor_linenums: true
+  - pymdownx.inlinehilite
+  - pymdownx.snippets
+  - pymdownx.tabbed:
+      alternate_style: true
+  - toc:
+      permalink: true