chore: update opam metadata (description, maintainer, license, tags)

Co-authored-by: aider (openai//workspace/models/openai-mirror/gpt-oss-120b/) <aider@aider.chat>

Author: zenfey

dune-ai-context.opam

@@ -1,14 +1,14 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
 synopsis: "A short synopsis"
-description: "A longer description"
-maintainer: ["Maintainer Name <maintainer@example.com>"]
-authors: ["Author Name <author@example.com>"]
-license: "LICENSE"
-tags: ["add topics" "to describe" "your" "project"]
-homepage: "https://github.com/username/reponame"
-doc: "https://url/to/documentation"
-bug-reports: "https://github.com/username/reponame/issues"
+description: "Tool to extract vendor library dependencies from Dune files and generate .mli interface files from their .cmi files."
+maintainer: ["ZFY <zf.yuan.y@gmail.com>"]
+authors: ["ZFY <zf.yuan.y@gmail.com>"]
+license: "MIT"
+tags: ["ocaml" "dune" "vendor" "cmi" "interface" "tool"]
+homepage: "https://github.com/zenfey/dune-ai-context"
+doc: "https://github.com/zenfey/dune-ai-context"
+bug-reports: "https://github.com/zenfey/dune-ai-context/issues"
 depends: [
   "dune" {>= "3.21"}
   "ocaml"
@@ -28,5 +28,5 @@ build: [
     "@doc" {with-doc}
   ]
 ]
-dev-repo: "git+https://github.com/username/reponame.git"
+dev-repo: "git+https://github.com/zenfey/dune-ai-context.git"
 x-maintenance-intent: ["(latest)"]