chore: import upstream snapshot with attribution

partner-built/apollo/.claude-plugin/plugin.json

@@ -0,0 +1,13 @@
+{
+  "name": "apollo",
+  "version": "0.1.0",
+  "description": "3 pre-built skills that chain multiple Apollo APIs into complete sales workflows — no manual steps, no tab switching. Enrich any contact from a name, email, or LinkedIn URL. Prospect by describing your ICP in plain English and get ranked leads. Find, enrich, and load contacts into a sequence in one shot.",
+  "author": {
+    "name": "Apollo.io",
+    "url": "https://www.apollo.io/"
+  },
+  "repository": "https://github.com/apolloio/apollo-mcp-plugin",
+  "homepage": "https://www.apollo.io/",
+  "license": "MIT",
+  "keywords": ["apollo", "sales", "prospecting", "icp", "enrichment", "sequences", "mcp"]
+}