Support custom subject text

Cargo.toml

@@ -19,6 +19,7 @@ cadence = "1"
 crates-index = { version = "2", default-features = false, features = ["git"] }
 derive_more = "0.99"
 dotenvy = "0.15"
+either = "1.12.0"
 font-awesome-as-a-crate = "0.3"
 futures-util = { version = "0.3", default-features = false, features = ["std"] }
 hyper = { version = "0.14.10", features = ["full"] }
@@ -36,10 +37,12 @@ rustsec = "0.29"
 semver = { version = "1.0", features = ["serde"] }
 serde = { version = "1", features = ["derive"] }
 serde_urlencoded = "0.7"
+serde_with = "3.8.1"
 tokio = { version = "1.24.2", features = ["rt-multi-thread", "macros", "sync", "time"] }
 toml = "0.8"
 tracing = "0.1.30"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+unicode-ellipsis = "0.2.0"
 
 [target.'cfg(any())'.dependencies]
 gix = { version = "0.63", default-features = false, features = ["blocking-http-transport-reqwest-rust-tls"] }

README.md

@@ -19,10 +19,15 @@ To analyze the state of your dependencies you can use the following URLs:
 
 On the analysis page, you will also find the markdown code to include a fancy badge in your project README so visitors (and you) can see at a glance if your dependencies are still up to date!
 
-Badges have a few style options, specified with query parameters, that match the styles from `shields.io`:
-- `?style=flat` (default)
-- `?style=flat-square`
-- `?style=for-the-badge`
+Badges have a few options, specified with query parameters:
+- `style`: which matches the styles from `shields.io`:
+  - `?style=flat` (default)
+  - `?style=flat-square`
+  - `?style=for-the-badge`
+- `subject`: customize the text on the left (which is the same concept as `label` in `shields.io`, and [URL-Encoding](https://developer.mozilla.org/en-US/docs/Glossary/percent-encoding) is needed for spaces or special characters!). e.g.:
+  - `?subject=yourdeps`
+  - `?subject=git%20deps`
+  - `?subject=deps%3Acore`
 
 ## Contributing