docs: update help documentation formatting

- Removes unnecessary dollar sign from command examples for consistency.
- Adds markdownlint to the documentation generation script to ensure proper formatting.

Release-As: 0.0.1

docs/help.md

@@ -3,7 +3,7 @@
 **Usage**:
 
 ```console
-$ llm-cli [OPTIONS] COMMAND [ARGS]...
+llm-cli [OPTIONS] COMMAND [ARGS]...
 ```
 
 **Options**:
@@ -21,7 +21,7 @@ $ llm-cli [OPTIONS] COMMAND [ARGS]...
 **Usage**:
 
 ```console
-$ llm-cli commit [OPTIONS] [PATH]...
+llm-cli commit [OPTIONS] [PATH]...
 ```
 
 **Arguments**:
@@ -39,7 +39,7 @@ $ llm-cli commit [OPTIONS] [PATH]...
 **Usage**:
 
 ```console
-$ llm-cli repo [OPTIONS] COMMAND [ARGS]...
+llm-cli repo [OPTIONS] COMMAND [ARGS]...
 ```
 
 **Options**:
@@ -56,7 +56,7 @@ $ llm-cli repo [OPTIONS] COMMAND [ARGS]...
 **Usage**:
 
 ```console
-$ llm-cli repo description [OPTIONS]
+llm-cli repo description [OPTIONS]
 ```
 
 **Options**:
@@ -68,7 +68,7 @@ $ llm-cli repo description [OPTIONS]
 **Usage**:
 
 ```console
-$ llm-cli repo topics [OPTIONS]
+llm-cli repo topics [OPTIONS]
 ```
 
 **Options**:

scripts/gen-help.sh

@@ -3,3 +3,4 @@ set -o errexit -o nounset -o pipefail
 
 typer llm_cli utils docs --output docs/help.md
 prettier --write docs/help.md
+markdownlint --fix docs/help.md