Typo in "Initializaing RpcServer" during startup

When starting local function, console shows this logging:
``` cmd
Azure Functions Core Tools (2.3.199 Commit hash: fdf734b09806be822e7d946fe17928b419d8a289)
Function Runtime Version: 2.0.12246.0
Skipping 'AzureWebJobsStorage' from local settings as it's already defined in current environment variables.
[2018-12-30 19:15:37] Starting Rpc Initialization Service.
[2018-12-30 19:15:37] Initializaing RpcServer
. . .
```

`Initializaing RpcServer` should be `Initializing RpcServer`

Search the repository for the exact log text "Initializaing RpcServer" and inspect the startup logging code that emits it. Correct the spelling to "Initializing RpcServer" and verify that the corrected message appears during local function startup.

Written by the indexing model from the issue text.