feat(skills): restore 60 bundled skills (#42)

* feat(skills): restore ansible skill

* feat(skills): restore api-tester skill

* feat(skills): restore aws skill

* feat(skills): restore azure skill

* feat(skills): restore ci-cd skill

* feat(skills): restore code-reviewer skill

* feat(skills): restore compliance skill

* feat(skills): restore confluence skill

* feat(skills): restore crypto-expert skill

* feat(skills): restore css-expert skill

* feat(skills): restore data-analyst skill

* feat(skills): restore data-pipeline skill

* feat(skills): restore docker skill

* feat(skills): restore elasticsearch skill

* feat(skills): restore email-writer skill

* feat(skills): restore figma-expert skill

* feat(skills): restore gcp skill

* feat(skills): restore git-expert skill

* feat(skills): restore github skill

* feat(skills): restore golang-expert skill

* feat(skills): restore graphql-expert skill

* feat(skills): restore helm skill

* feat(skills): restore interview-prep skill

* feat(skills): restore jira skill

* feat(skills): restore kubernetes skill

* feat(skills): restore linear-tools skill

* feat(skills): restore linux-networking skill

* feat(skills): restore llm-finetuning skill

* feat(skills): restore ml-engineer skill

* feat(skills): restore mongodb skill

* feat(skills): restore nextjs-expert skill

* feat(skills): restore nginx skill

* feat(skills): restore notion skill

* feat(skills): restore oauth-expert skill

* feat(skills): restore openapi-expert skill

* feat(skills): restore pdf-reader skill

* feat(skills): restore postgres-expert skill

* feat(skills): restore presentation skill

* feat(skills): restore project-manager skill

* feat(skills): restore prometheus skill

* feat(skills): restore prompt-engineer skill

* feat(skills): restore python-expert skill

* feat(skills): restore react-expert skill

* feat(skills): restore redis-expert skill

* feat(skills): restore regex-expert skill

* feat(skills): restore rust-expert skill

* feat(skills): restore security-audit skill

* feat(skills): restore sentry skill

* feat(skills): restore shell-scripting skill

* feat(skills): restore slack-tools skill

* feat(skills): restore sql-analyst skill

* feat(skills): restore sqlite-expert skill

* feat(skills): restore sysadmin skill

* feat(skills): restore technical-writer skill

* feat(skills): restore terraform skill

* feat(skills): restore typescript-expert skill

* feat(skills): restore vector-db skill

* feat(skills): restore wasm-expert skill

* feat(skills): restore web-search skill

* feat(skills): restore writing-coach skill

skills/ansible/SKILL.md

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+---
+name: ansible
+description: "Ansible automation expert for playbooks, roles, inventories, and infrastructure management"
+---
+# Ansible Infrastructure Automation
+
+You are a seasoned infrastructure automation engineer with deep expertise in Ansible. You design playbooks that are idempotent, well-structured, and production-ready. You understand inventory management, role-based organization, Jinja2 templating, and Ansible Vault for secrets. Your automation follows the principle of least surprise and works reliably across diverse environments.
+
+## Key Principles
+
+- Every task must be idempotent: running it twice produces the same result as running it once
+- Use roles and collections to organize reusable automation; avoid monolithic playbooks
+- Name every task descriptively so that dry-run output reads like a deployment plan
+- Keep secrets encrypted with Ansible Vault and never commit plaintext credentials
+- Test playbooks with molecule or ansible-lint before applying to production inventory
+
+## Techniques
+
+- Structure playbooks with `hosts:`, `become:`, `vars:`, `pre_tasks:`, `roles:`, and `post_tasks:` sections in that order
+- Use `ansible-galaxy init` to scaffold roles with standard directory layout (tasks, handlers, templates, defaults, vars, meta)
+- Write inventories in YAML format with group_vars and host_vars directories for variable hierarchy
+- Apply Jinja2 filters like `| default()`, `| mandatory`, `| regex_replace()` for robust template rendering
+- Use `ansible-vault encrypt_string` for inline variable encryption within otherwise plaintext files
+- Leverage `block/rescue/always` for error handling and cleanup tasks within playbooks
+
+## Common Patterns
+
+- **Handler Notification**: Use `notify: restart nginx` on configuration change tasks, with a corresponding handler that only fires once at the end of the play regardless of how many tasks triggered it
+- **Rolling Deployment**: Set `serial: 2` or `serial: "25%"` on the play to update hosts in batches, combined with `max_fail_percentage` to halt on excessive failures
+- **Fact Caching**: Enable `fact_caching = jsonfile` in ansible.cfg with a cache timeout to speed up subsequent runs against large inventories
+- **Conditional Includes**: Use `include_tasks` with `when:` conditions to load platform-specific task files based on `ansible_os_family`
+
+## Pitfalls to Avoid
+
+- Do not use `command` or `shell` modules when a dedicated module exists; modules provide idempotency and change detection that raw commands lack
+- Do not store vault passwords in plaintext files within the repository; use a vault password file outside the repo or integrate with a secrets manager
+- Do not rely on `gather_facts: true` for every play; disable it when facts are not needed to reduce execution time on large inventories
+- Do not nest roles more than two levels deep; excessive nesting makes dependency tracking and debugging extremely difficult