[Docs] Add dynamic version in docs (#90)

### What this PR does / why we need it?
Add dynamic version in docs

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
Preview: https://vllm-ascend--90.org.readthedocs.build/en/90/

Signed-off-by: Yikun Jiang <yikunkero@gmail.com>

docs/README.md

@@ -1,5 +1,7 @@
 # vLLM Ascend Plugin documents
 
+Live doc: https://vllm-ascend.readthedocs.io
+
 ## Build the docs
 
 ```bash

docs/requirements-docs.txt

@@ -1,8 +1,9 @@
-sphinx==6.2.1
-sphinx-argparse==0.4.0
-sphinx-book-theme==1.0.1
-sphinx-copybutton==0.5.2
-sphinx-design==0.6.1
-sphinx-togglebutton==0.3.2
-myst-parser==3.0.1
+sphinx
+sphinx-argparse
+sphinx-book-theme
+sphinx-copybutton
+sphinx-design
+sphinx-togglebutton
+myst-parser
 msgspec
+sphinx-substitution-extensions

docs/source/conf.py

@@ -53,10 +53,20 @@
     "sphinxarg.ext",
     "sphinx_design",
     "sphinx_togglebutton",
+    "sphinx_substitution_extensions",
 ]
-myst_enable_extensions = [
-    "colon_fence",
-]
+
+myst_enable_extensions = ["colon_fence", "substitution"]
+
+# Change this when cut down release
+myst_substitutions = {
+    # the branch of vllm, used in vllm clone
+    # such as 'main', 'v0.7.1'
+    'vllm_version': 'main',
+    # the branch of vllm-ascend, used in vllm-ascend clone and image tag
+    # such as 'main', 'v0.7.1-dev', 'v0.7.1rc1'
+    'vllm_ascend_version': 'main'
+}
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']

docs/source/installation.md

@@ -117,12 +117,14 @@ pip install vllm vllm-ascend -f https://download.pytorch.org/whl/torch/
 
 or build from **source code**:
 
-```bash
-git clone https://github.com/vllm-project/vllm
+```{code-block} bash
+   :substitutions:
+
+git clone  --depth 1 --branch |vllm_version| https://github.com/vllm-project/vllm
 cd vllm
 VLLM_TARGET_DEVICE=empty pip install . -f https://download.pytorch.org/whl/torch/
 
-git clone https://github.com/vllm-project/vllm-ascend.git
+git clone  --depth 1 --branch |vllm_ascend_version| https://github.com/vllm-project/vllm-ascend.git
 cd vllm-ascend
 pip install -e . -f https://download.pytorch.org/whl/torch/
 ```
@@ -138,7 +140,7 @@ You can just pull the **prebuilt image** and run it with bash.
 # Update DEVICE according to your device (/dev/davinci[0-7])
 DEVICE=/dev/davinci7
 # Update the vllm-ascend image
-IMAGE=quay.io/ascend/vllm-ascend:main
+IMAGE=quay.io/ascend/vllm-ascend:|vllm_ascend_version|
 docker pull $IMAGE
 docker run --rm \
     --name vllm-ascend-env \

docs/source/quick_start.md

@@ -69,15 +69,17 @@ pip install --upgrade pip
 
 You can install vLLM and vllm-ascend plugin by using:
 
-```bash
-# Install vLLM main branch (About 5 mins)
-git clone --depth 1 https://github.com/vllm-project/vllm.git
+```{code-block} bash
+   :substitutions:
+
+# Install vLLM (About 5 mins)
+git clone --depth 1 --branch |vllm_version| https://github.com/vllm-project/vllm.git
 cd vllm
 VLLM_TARGET_DEVICE=empty pip install .
 cd ..
 
 # Install vLLM Ascend Plugin:
-git clone --depth 1 https://github.com/vllm-project/vllm-ascend.git
+git clone --depth 1 --branch |vllm_ascend_version| https://github.com/vllm-project/vllm-ascend.git
 cd vllm-ascend
 pip install -e .
 cd ..