doinstall: introduce install script.

dotinstall

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+CGREEN='\033[0;32m'
+CYELLOW='\033[1;33m'
+CNONE='\033[0m'
+
+declare -A dots
+dots["gitignore"]="$HOME/.gitignore"
+dots["vimrc"]="$HOME/.vimrc"
+dots["zshrc"]="$HOME/.zshrc"
+
+for key in "${!dots[@]}"; do
+    value="${dots[$key]}"
+    # echo "key, value = $key, $value"
+    echo -e -n "$key: "
+    if [ -a "$value" ]; then
+        echo -e "${CYELLOW}skip${CNONE}"
+    else
+        ln -s $(pwd)/"$key" $value
+        echo -e "${CGREEN}ok${CNONE}"
+    fi
+done
+