docs: provider and distro codegen migration (#3531)

# What does this PR do?

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- Updates provider and distro codegen to handle the new format
- Migrates provider and distro files to the new format

## Test Plan

- Manual testing

<!-- Describe the tests you ran to verify your changes with result summaries. *Provide clear instructions so the plan can be easily re-executed.* -->

docs/docs/providers/vector_io/inline_milvus.mdx

@@ -0,0 +1,30 @@
+---
+description: "Please refer to the remote provider documentation."
+sidebar_label: Milvus
+title: inline::milvus
+---
+
+# inline::milvus
+
+## Description
+
+
+Please refer to the remote provider documentation.
+
+
+## Configuration
+
+| Field | Type | Required | Default | Description |
+|-------|------|----------|---------|-------------|
+| `db_path` | `<class 'str'>` | No |  |  |
+| `kvstore` | `utils.kvstore.config.RedisKVStoreConfig \| utils.kvstore.config.SqliteKVStoreConfig \| utils.kvstore.config.PostgresKVStoreConfig \| utils.kvstore.config.MongoDBKVStoreConfig` | No | sqlite | Config for KV store backend (SQLite only for now) |
+| `consistency_level` | `<class 'str'>` | No | Strong | The consistency level of the Milvus server |
+
+## Sample Configuration
+
+```yaml
+db_path: ${env.MILVUS_DB_PATH:=~/.llama/dummy}/milvus.db
+kvstore:
+  type: sqlite
+  db_path: ${env.SQLITE_STORE_DIR:=~/.llama/dummy}/milvus_registry.db
+```