Add init script

scripts/common/detect.sh

@@ -18,6 +18,10 @@ _detect() {
   fi
 }
 
+_detect_cmd() {
+  [ -x "$(command -v $1)" ]
+}
+
 _detect_fn() {
   [ `type -t $1`"" == "function" ]
 }

scripts/common/echo.sh

@@ -21,6 +21,7 @@ COLOR_INFO="1;34"    # Blue
 COLOR_DONE="1;32"    # Green
 COLOR_ERROR="1;31"   # Red
 # action colors
+COLOR_STRONG_NORMAL="35"
 COLOR_INFO_NORMAL="34"
 COLOR_DONE_NORMAL="32"
 COLOR_ERROR_NORMAL="31"
@@ -57,6 +58,10 @@ _echo_e() {
   _echo_e_ "$1" "$COLOR_ERROR"
 }
 
+_echo_sn() {
+  _echo_ "$1" "$COLOR_STRONG_NORMAL"
+}
+
 _echo_in() {
   _echo_ "$1" "$COLOR_INFO_NORMAL"
 }