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Describe the enhancement you want to request

Description

Add support for the cljfmt formatter to automatically format Clojure files (.clj, .cljs, .cljc, and .edn) when they are edited in OpenCode.

Requirements

The formatter should:

• Support .clj, .cljs, .cljc, and .edn file extensions
• Use the cljfmt command
• Only be enabled when the cljfmt command is available
• Follow the same pattern as other formatters (gofmt, rustfmt, and etc.)

Implementation

• Add cljfmt formatter definition in packages/opencode/src/format/formatter.ts
• Update formatter documentation in packages/web/src/content/docs/formatters.mdx