zsh: fix docs repo not being detected properly

.zshrc

@@ -13,8 +13,8 @@
       export EDITOR=vi
    fi
 
-   export PATH="$PATH:${XDG_DATA_HOME:-$HOME/.local}/bin:$SHELL_CONFIG_DIR/bin"
    export SHELL_CONFIG_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/shell"
+   export PATH="$PATH:${XDG_DATA_HOME:-$HOME/.local}/bin:$SHELL_CONFIG_DIR/bin"
    export SYSTEMD_EDITOR="$EDITOR"
 
    export LSCOLORS="Gxfxcxdxbxegedabagacad"
@@ -22,6 +22,9 @@
 
    export ZINIT_HOME_DIR="${XDG_DATA_HOME:-$HOME/.local}/share/zinit"
 
+   # Set documents directory (auto set to the repo the file ~/todo points to is in)
+   export DOCS_DIR="$(git -C "$(dirname "$(realpath ~/todo)")" rev-parse --show-toplevel | head -1)"
+
    # Don't add extra space to the right side of the prompt
    ZLE_RPROMPT_INDENT=0
 
@@ -66,8 +69,6 @@
    alias :q='exit' \
          q='exit' \
 
-   alias sc=shellcheck
-
    # rmdir is long
    alias \
       rmd='rmdir' \