Placeholder main with repository settings

The history is under review on poc-import and replaces this branch
once accepted. .asf.yaml follows tooling-llmao, except that main is
left unprotected until the swap is done.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.asf.yaml

diff --git a/.asf.yaml b/.asf.yaml
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+++ b/.asf.yaml
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+github:
+  description: "Durable memory for disposable agents"
+  homepage: https://tooling.apache.org/
+  del_branch_on_merge: true
+  features:
+    issues: true
+  enabled_merge_buttons:
+    merge:   true
+    rebase:  true
+  custom_subjects:
+    new_pr: "[PR] {title} ({repository})"
+    close_pr: "Re: [PR] {title} ({repository})"
+    comment_pr: "Re: [PR] {title} ({repository})"
+    merge_pr: "Re: [PR] {title} ({repository})"
+    new_issue: "[I] {title} ({repository})"
+    comment_issue: "Re: [I] {title} ({repository})"
+    close_issue: "Re: [I] {title} ({repository})"
+    catchall: "[GH] {title} ({repository})"
+
+notifications:
+  commits:      commits@tooling.apache.org
+  issues:       commits@tooling.apache.org
+  pullrequests: commits@tooling.apache.org
+  discussions:  commits@tooling.apache.org

README.md

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+# Apache Tooling: durable memory
+
+Durable memory for disposable agents: a paper, and a proof of concept that implements it.
+
+This branch is a placeholder. The history is under review on `poc-import` and replaces
+this branch once it is accepted.