docs: improve docs

entrypoint.sh

@@ -5,7 +5,7 @@ if [ ! -z "$INPUT_REQUIREMENTS" ]; then
 fi
 
 if [ ! -z "$INPUT_MAX_LINE_LENGTH" ]; then
-    MAX_LINE_LENGTH=$INPUT_MAX_LINE_LENGHT
+    MAX_LINE_LENGTH="$INPUT_MAX_LINE_LENGTH"
 else
     MAX_LINE_LENGTH=79
 fi
@@ -16,16 +16,6 @@ else
     REPO_IS_A_PACKAGE=false
 fi
 
-echo "START START START START START START START START START START START START START START START START START START START START START START START START START START START START "
-echo $1
-echo $2
-echo $3
-echo $4
-echo $INPUT_MAX_LINE_LENGTH
-echo $MAX_LINE_LENGTH
-echo $REPO_IS_A_PACKAGE
-echo "START START START START START START START START START START START START START START START START START START START START START START START START START START START START "
-
 function install_color {
     printf "\e[100m $1 \e[0m\n"
 }