try fix docs deployment (#50)

Author: gnawin

.github/workflows/Docs.yml

@@ -18,6 +18,10 @@ on:
       - "*.toml"
     types: [opened, synchronize, reopened]
 
+
+permissions:
+  contents: write
+
 concurrency:
   # Skip intermediate builds: always.
   # Cancel intermediate builds: only if it is a pull request build.
@@ -53,5 +57,4 @@ jobs:
         env:
           JULIA_PKG_SERVER: ""
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
           GKSwstype: "100" # https://discourse.julialang.org/t/generation-of-documentation-fails-qt-qpa-xcb-could-not-connect-to-display/60988