chore: initial project setup with MCP server configs

- Add MCP servers for Redmine, Jenkins, Gitea, Obsidian
- Add setup_mcp.sh to generate .mcp.json from .env (no secrets in VCS)
- Add .env.example with required variable names for team onboarding
- Add .gitignore to exclude secrets (.env, .mcp.json, settings.local.json)
- Fix obsidian_mcp_server.py stdio_server async context manager usage

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

gitea_mcp_server.mjs

@@ -0,0 +1,2 @@
+import { runGiteaServer } from "@boringstudio_org/gitea-mcp";
+runGiteaServer();