chore: add workflow_dispatch to release workflow, add initial changeset

- Release workflow can now be triggered manually from GitHub Actions UI
- Added changeset for initial 0.1.0 release

Author: ericallam

.changeset/initial-release.md

@@ -0,0 +1,5 @@
+---
+"agentcrumbs": minor
+---
+
+Initial release. Debug tracing for AI agents with zero overhead when disabled, strip-before-merge workflow, HTTP collector, CLI tools, and @tanstack/intent skills.

.github/workflows/release.yml

@@ -1,6 +1,7 @@
 name: Release
 
 on:
+  workflow_dispatch:
   pull_request:
     types:
       - closed
@@ -15,8 +16,13 @@ jobs:
   release:
     if: >
       github.repository == 'triggerdotdev/agentcrumbs' &&
-      github.event.pull_request.merged == true &&
-      github.event.pull_request.head.ref == 'changeset-release/main'
+      (
+        github.event_name == 'workflow_dispatch' ||
+        (
+          github.event.pull_request.merged == true &&
+          github.event.pull_request.head.ref == 'changeset-release/main'
+        )
+      )
     name: Publish to npm
     runs-on: ubuntu-latest
     environment: npm-publish