2316: Add version flag r=Kerollmops a=sanders41

# Pull Request

## What does this PR do?
Fixes #2315

## PR checklist
Please check if your PR fulfills the following requirements:
- [x] Does this PR fix an existing issue?
- [x] Have you read the contributing guidelines?
- [x] Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!


Co-authored-by: Paul Sanders <psanders1@gmail.com>
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bors[bot] 2022-04-13 17:24:09 +00:00 committed by GitHub
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@ -19,6 +19,7 @@ use serde::Serialize;
const POSSIBLE_ENV: [&str; 2] = ["development", "production"]; const POSSIBLE_ENV: [&str; 2] = ["development", "production"];
#[derive(Debug, Clone, Parser, Serialize)] #[derive(Debug, Clone, Parser, Serialize)]
#[clap(version)]
pub struct Opt { pub struct Opt {
/// The destination where the database must be created. /// The destination where the database must be created.
#[clap(long, env = "MEILI_DB_PATH", default_value = "./data.ms")] #[clap(long, env = "MEILI_DB_PATH", default_value = "./data.ms")]