Tencentcloud SSM Secret Store Lacks documentation

**What content needs to be created or modified?**

Reference documentation for TencentCloud SSM Secret store

**Describe the solution you'd like**

**Where should the new material be placed?**

Two things are needed:
* An entry under daprdocs/data/components/secret_stores describing the this SS capabilities
* An entry under daprdocs/content/en/reference/components-reference/supported-secret-stores

**The associated pull request from dapr/dapr, dapr/components-contrib, or other Dapr code repos**

dapr/components-contrib#1973

**Additional context**