Issue:
feat(user): get user information (home api)

Create new api to get user details. 

Resolution:
<think>
PR Context:
- Title: feat(user): add route to get user details
- Merged: 2024-05-02T09:52:49Z
- Files changed: 7 files
- Commits: 6 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [x] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
Add support to get user details!


### Additional Changes

- [x] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

<!--
Provide links to the files with corresponding changes.

</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** feat(user): add route to get user details (#4510)
Co-authored-by: hyperswitch-bot[bot] <148525504+hy
Files to modify:


**crates/api_models/src/events/user.rs**
  Modify existing code

**crates/api_models/src/user.rs**
  Add:
    - struct: pub::GetUserDetailsResponse

**crates/router/src/core/user.rs**
  Add:
    - function: pub::get_user_details

**crates/router/src/routes/app.rs**
  Modify existing code

**crates/router/src/routes/lock_utils.rs**
  Modify existing code

**crates/router/src/routes/user.rs**
  Add:
    - function: pub::get_user_details

**crates/router_env/src/logger/types.rs**
  Modify existing code