Issue:
refactor: Add OLAP feature for replica database

## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [x] Enhancement
- [ ] Refactoring
- [ ] Dependency updates

## Description
<!-- Describe your changes in detail -->


### Additional Changes

- [ ] This PR modifies the database schema
- [x] This PR modifies application configuration/environment variables

<!-- Provide links to the files with corresponding changes -->


## Motivation and Context

Added a feature called OLAP which enables us to add read replica database in the application and use it wherever we want


## How did you test it?

Run `cargo r --features olap` and check if it can create a connection to read replica database


## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `cargo +nightly fmt`
- [x] I addressed lints thrown by `cargo clippy`
- [x] I reviewed submitted code
- [ ] I added unit tests for my changes where possible
- [ ] I added a [CHANGELOG](/CHANGELOG.md) entry if applicable


Resolution:
<think>
PR Context:
- Title: fix(loadtest): rename `[database]` to `[master_database]` in config file
- Merged: 2022-11-29T17:12:33Z
- Files changed: 1 files
- Commits: 1 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [x] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates

## Description
<!-- Describe your changes in detail -->
This is an extension to #4; fixes one instance of `[database]` in `loadtest/config/Development.toml` which seems to have been left out during the refactor. 


### Additional Changes

- [ ] This PR modifies the database schema
- [ ] This PR modifies application configurat
</think>

To implement this, you'll need to modify:


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