Removed leading $ from cli code blocks (#3174)

Co-authored-by: Tom Christie <tom@tomchristie.com>

README.md

@@ -22,7 +22,7 @@ and async APIs**.
 Install HTTPX using pip:
 
 ```shell
-$ pip install httpx
+pip install httpx
 ```
 
 Now, let's get started:
@@ -43,7 +43,7 @@ Now, let's get started:
 Or, using the command-line client.
 
 ```shell
-$ pip install 'httpx[cli]'  # The command line client is an optional dependency.
+pip install 'httpx[cli]'  # The command line client is an optional dependency.
 ```
 
 Which now allows us to use HTTPX directly from the command-line...
@@ -94,13 +94,13 @@ Plus all the standard features of `requests`...
 Install with pip:
 
 ```shell
-$ pip install httpx
+pip install httpx
 ```
 
 Or, to include the optional HTTP/2 support, use:
 
 ```shell
-$ pip install httpx[http2]
+pip install httpx[http2]
 ```
 
 HTTPX requires Python 3.8+.

docs/advanced/proxies.md

@@ -73,7 +73,7 @@ This is an optional feature that requires an additional third-party library be i
 You can install SOCKS support using `pip`:
 
 ```shell
-$ pip install httpx[socks]
+pip install httpx[socks]
 ```
 
 You can now configure a client to make requests via a proxy using the SOCKS protocol:

docs/contributing.md

@@ -46,14 +46,14 @@ Then clone your fork with the following command replacing `YOUR-USERNAME` with
 your GitHub username:
 
 ```shell
-$ git clone https://github.com/YOUR-USERNAME/httpx
+git clone https://github.com/YOUR-USERNAME/httpx
 ```
 
 You can now install the project and its dependencies using:
 
 ```shell
-$ cd httpx
-$ scripts/install
+cd httpx
+scripts/install
 ```
 
 ## Testing and Linting
@@ -64,7 +64,7 @@ and documentation building workflow.
 To run the tests, use:
 
 ```shell
-$ scripts/test
+scripts/test
 ```
 
 !!! warning
@@ -76,19 +76,19 @@ Any additional arguments will be passed to `pytest`. See the [pytest documentati
 For example, to run a single test script:
 
 ```shell
-$ scripts/test tests/test_multipart.py
+scripts/test tests/test_multipart.py
 ```
 
 To run the code auto-formatting:
 
 ```shell
-$ scripts/lint
+scripts/lint
 ```
 
 Lastly, to run code checks separately (they are also run as part of `scripts/test`), run:
 
 ```shell
-$ scripts/check
+scripts/check
 ```
 
 ## Documenting
@@ -98,7 +98,7 @@ Documentation pages are located under the `docs/` folder.
 To run the documentation site locally (useful for previewing changes), use:
 
 ```shell
-$ scripts/docs
+scripts/docs
 ```
 
 ## Resolving Build / CI Failures
@@ -122,7 +122,7 @@ This job failing means there is either a code formatting issue or type-annotatio
 You can look at the job output to figure out why it's failed or within a shell run:
 
 ```shell
-$ scripts/check
+scripts/check
 ```
 
 It may be worth it to run `$ scripts/lint` to attempt auto-formatting the code

docs/http2.md

@@ -28,7 +28,7 @@ trying out our HTTP/2 support. You can do so by first making sure to install
 the optional HTTP/2 dependencies...
 
 ```shell
-$ pip install httpx[http2]
+pip install httpx[http2]
 ```
 
 And then instantiating a client with HTTP/2 support enabled:

docs/index.md

@@ -28,7 +28,7 @@ HTTPX is a fully featured HTTP client for Python 3, which provides sync and asyn
 Install HTTPX using pip:
 
 ```shell
-$ pip install httpx
+pip install httpx
 ```
 
 Now, let's get started:
@@ -50,7 +50,7 @@ Or, using the command-line client.
 
 ```shell
 # The command line client is an optional dependency.
-$ pip install 'httpx[cli]'
+pip install 'httpx[cli]'
 ```
 
 Which now allows us to use HTTPX directly from the command-line...
@@ -130,19 +130,19 @@ inspiration around the lower-level networking details.
 Install with pip:
 
 ```shell
-$ pip install httpx
+pip install httpx
 ```
 
 Or, to include the optional HTTP/2 support, use:
 
 ```shell
-$ pip install httpx[http2]
+pip install httpx[http2]
 ```
 
 To include the optional brotli and zstandard decoders support, use:
 
 ```shell
-$ pip install httpx[brotli,zstd]
+pip install httpx[brotli,zstd]
 ```
 
 HTTPX requires Python 3.8+