add checksum to doc

README.md

@@ -52,9 +52,9 @@ Read more about the specification [here](https://www.python.org/dev/peps/pep-058
 - A full-featured plug-in system.
 - [PEP 621] project metadata format.
 
-[PEP 517]: https://www.python.org/dev/peps/pep-0517
-[PEP 582]: https://www.python.org/dev/peps/pep-0582
-[PEP 621]: https://www.python.org/dev/peps/pep-0621
+[pep 517]: https://www.python.org/dev/peps/pep-0517
+[pep 582]: https://www.python.org/dev/peps/pep-0582
+[pep 621]: https://www.python.org/dev/peps/pep-0621
 
 ## Why not virtualenv?
 
@@ -88,6 +88,9 @@ curl -sSL https://raw.githubusercontent.com/pdm-project/pdm/main/install-pdm.py
 (Invoke-WebRequest -Uri https://raw.githubusercontent.com/pdm-project/pdm/main/install-pdm.py -UseBasicParsing).Content | python -
 ```
 
+For security reasons, you should verify the checksum.
+The sha256 checksum is: `70ac95c53830ff41d700051c9caebd83b2b85b5d6066e8f853006f9f07293ff0`
+
 The installer will install PDM into the user site and the location depends on the system:
 
 - `$HOME/.local/bin` for Unix

README_zh.md

@@ -84,6 +84,9 @@ curl -sSL https://raw.githubusercontent.com/pdm-project/pdm/main/install-pdm.py
 (Invoke-WebRequest -Uri https://raw.githubusercontent.com/pdm-project/pdm/main/install-pdm.py -UseBasicParsing).Content | python -
 ```
 
+为安全起见，你应该检查文件的正确性。
+SHA256 校验和: `70ac95c53830ff41d700051c9caebd83b2b85b5d6066e8f853006f9f07293ff0`
+
 默认情况下，此脚本会将 PDM 安装在 Python 的用户目录下，具体位置取决于当前系统：
 
 - Unix 上是 `$HOME/.local/bin`

docs/docs/index.md

@@ -44,6 +44,9 @@ Like Pip, PDM provides an installation script that will install PDM into an isol
     (Invoke-WebRequest -Uri https://raw.githubusercontent.com/pdm-project/pdm/main/install-pdm.py -UseBasicParsing).Content | python -
     ```
 
+For security reasons, you should verify the checksum.
+The sha256 checksum is: `70ac95c53830ff41d700051c9caebd83b2b85b5d6066e8f853006f9f07293ff0`
+
 The installer will install PDM into the user site and the location depends on the system:
 
 - `$HOME/.local/bin` for Unix
@@ -66,7 +69,6 @@ optional arguments:
 
 You can either pass the options after the script or set the env var value.
 
-
 ### Other installation methods
 
 === "Homebrew"

docs/mkdocs.yml

@@ -35,9 +35,10 @@ nav:
 markdown_extensions:
   - pymdownx.highlight:
       linenums: true
-  - pymdownx.tabbed
-  - pymdownx.details
   - pymdownx.superfences
+  - pymdownx.tabbed:
+      alternate_style: true
+  - pymdownx.details
   - admonition
   - tables
   - toc: