chore: use base path from metadata JSON file for mise tasks (#305)

Author: YDX-2147483647

mise.toml

@@ -8,8 +8,11 @@ pinact = "3.1.1"
 yes = true
 idiomatic_version_file_enable_tools = []
 
+[vars]
+_.file = "website/metadata.json"
+
 [tasks.generate-docs]
-run = "cargo run --package typst-docs -- --assets-dir assets --out-file docs.json --base /docs/"
+run = "cargo run --package typst-docs -- --assets-dir assets --out-file docs.json --base {{vars.basePath}}"
 
 [tasks.generate-web]
 depends = ["install-website"]