feat(xxh): add xxh config

Assisted-by: Gemini:gemini-3.1-pro

xxh/config.xxhc.template

@@ -0,0 +1,15 @@
+hosts:
+  ".*":
+    +s: xxh-shell-zsh
+    +hhh: "~"
+    ++pexpect-timeout: "10"
+    +I:
+      - xxh-plugin-zsh-ohmyzsh
+      - xxh-plugin-zsh-powerlevel10k
+      - xxh-plugin-prerun-zoxide
+      - xxh-plugin-zsh-eza+git+https://github.com/experiences/xxh-plugin-zsh-eza
+      - xxh-plugin-zsh-bat+git+https://github.com/experiences/xxh-plugin-zsh-bat
+      - xxh-plugin-zsh-autosuggestions+git+https://github.com/MohamedOmar2020/xxh-plugin-zsh-autosuggestions
+      - "xxh-plugin-zsh-my-zshrc+path+__ZSHRC_PLUGIN_DIR__"
+    +e:
+      - OMZ_PLUGINS="git screen sudo extract"