Update docs (#1839)

scripts/ci_install_dependency.sh

@@ -1,3 +1,7 @@
+"""
+Install the dependency in CI.
+"""
+
 pip install --upgrade pip
 pip install -e "python[all]"
 pip install transformers==4.45.2

scripts/killall_sglang.sh

@@ -1,2 +1,6 @@
+"""
+Kill all SGLang processes and free the GPU memory.
+"""
+
 kill -9 $(ps aux | grep 'multiprocessing.spawn' | grep -v 'grep' | awk '{print $2}')
 kill -9 $(ps aux | grep 'sglang.launch_server' | grep -v 'grep' | awk '{print $2}')

scripts/version_branch_to_tag.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 
-# This script tags all remote branches starting with 'v' with the same name as the branch, 
+# This script is used for release.
+# It tags all remote branches starting with 'v' with the same name as the branch, 
 # deletes the corresponding branches from the remote, and pushes the tags to the remote repository. 
 
 git fetch origin --prune