make webcam functionality not default

Cargo.toml

@@ -123,7 +123,6 @@ default = [
  "native_sys",
  "raw_mode",
  "clipboard",
- "webcam",
  "batteries",
 ]
 ffi = ["libffi", "libloading"]

readme.md

@@ -30,11 +30,9 @@ This requires [Rust](https://www.rust-lang.org/tools/install) (>=1.75) to be ins
  ```
 
  The following optional features are available but not enabled by default (enabled by passing `--features <feature>`):
- - `audio`: Enables audio system functions
+ - `audio`: Enables audio system functions (may require `libasound2-dev libudev-dev pkg-config` on Linux)
+ - `webcam`: Enables webcam system functions (may require `libjpeg-dev` on Linux)
 
- If you want audio on Linux, you may need to install some dependencies first:
- ```
- apt install libasound2-dev libudev-dev libjpeg-dev pkg-config 
  ```
 - If you want the most recent development version of Uiua, you can install from the git repository.
  ```

site/src/other.rs

@@ -144,6 +144,11 @@ pub fn Install() -> impl IntoView {
  <p>"On Linux, this may require installing some dependencies:"</p>
  <code class="code-block">"apt install libasound2-dev libudev-dev pkg-config"</code>
  </li>
+ <li>
+ <p><code>"webcam"</code>" - Enables webcam system functions."</p>
+ <p>"On Linux, this may require installing some dependencies:"</p>
+ <code class="code-block">"apt install libjpeg-dev"</code>
+ </li>
  </ul>
  <p>"If you want the most recent development version of Uiua, you can install from the git repository."</p>
  <code class="code-block">"cargo install --git https://github.com/uiua-lang/uiua uiua"</code>