Merge pull request #280 from chetan453/improved-docs

specify path for ZINGG_HOME

docs/settingUpZingg.md

@@ -1,5 +1,5 @@
 # Setting Up Zingg Development Environment
-The following steps will help you setup the Zingg Development Environment. While the steps remain the same across different OS, we have provided detailed instructions for Ubuntu OS.  
+The following steps will help you setup the Zingg Development Environment. While the steps remain the same across different OS, we have provided detailed instructions for Ubuntu OS. 
 
 **Step 1: Clone the Zingg Repository**
 * Install and SetUp Git: **sudo apt install git**
@@ -8,7 +8,6 @@ The following steps will help you setup the Zingg Development Environment. While
 
 **Step 2: Install JDK 1.8 (Java Development Kit)**
 * Follow this [tutorial](https://linuxize.com/post/install-java-on-ubuntu-20-04/) to install Java8 JDK1.8 in Ubuntu.
-
 **Step 3: Install Apache Spark - version spark-3.1.2-bin-hadoop3.2**
 * Download Apache Spark - version spark-3.1.2-bin-hadoop3.2 from the [Apache Spark Official Website](https://spark.apache.org/downloads.html)
 * Install Downloaded Apache Spark - version spark-3.1.2-bin-hadoop3.2 on your Ubuntu by following [this tutorial](https://computingforgeeks.com/how-to-install-apache-spark-on-ubuntu-debian/)
@@ -20,10 +19,16 @@ The following steps will help you setup the Zingg Development Environment. While
 **Step 5: Set JAVA_HOME to JDK base directory**
 * Go to **cd /etc** directory in your Ubuntu system, and open the **‘profile’ file** using gedit. Just run **sudo gedit profile**
 * Paste these in the **‘profile’ file** 
-**export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64**
-**export SPARK_HOME=~/spark-3.1.2-bin-hadoop3.2**
-**export SPARK_MASTER=local[\*]**
-**export ZINGG_HOME=/home/rightcode/zingg/assembly/target**
+```
+export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+export SPARK_HOME=~/spark-3.1.2-bin-hadoop3.2
+export SPARK_MASTER=local[\*]
+export ZINGG_HOME=<path_to_zingg>/assembly/target
+```
+where <path_to_zingg> will be directory where you clone the repository of the Zingg. Similarly, if you have installed spark on different directory you can set **SPARK_HOME** accordingly.
+
+
+**Note:-** If you have already setup **JAVA_HOME** and **SPARK_HOME** in the steps before you don't need to do this again.
 
 **Step 6: Compile the Zingg Repository**
 * Run the following to Compile the Zingg Repository - **mvn clean compile package -Dspark=sparkVer**
@@ -36,3 +41,4 @@ The following steps will help you setup the Zingg Development Environment. While
 * Run this Script in terminal opened in zingg clones directory - **./scripts/zingg.sh --phase findTrainingData --conf examples/febrl/config.json**
 
 **If everythings right, it should show Zingg Icon.**
+