Update readme.md

readme.md

+# Offer Transaction Service
+
+## Steps to install and run the application
 
 Download and Install Postgress In Docker ::
 
+```bash
 docker pull postgres
 
 docker run -d -e POSTGRES_USER=user -e POSTGRES_PASSWORD=password123 --name postgres -p 5432:5432  --restart=always postgres
+```
 
 Download and install pgadmin
 
+```bash
 https://www.postgresql.org/ftp/pgadmin/pgadmin4/v4.19/windows/
 
 after installation start the pg admin by use below url
 
 http://127.0.0.1:58283/browser/#
+```
 
 Once you start it will ask to create a master password
 
 Go to Add New Server --> Give any database name --> go to connection tab and provide below details
 
+```bash
 Host = 127.0.0.1
 Port = 5432
 username = user
 password = password123
-
+```
 Then click on save
 
 In Header click on Tool -> Query Tool --> and paste the below query
 
-===================================================
+```bash
 -- Table: public.offerlookup
 
 -- DROP TABLE public.offerlookup;
@@ -47,18 +55,18 @@ TABLESPACE pg_default;
 ALTER TABLE public.offerlookup
     OWNER to "postgress";
 
-====================================================
-
+```
 
+```bash
 Once you create use the below query to insert a data
 
 INSERT INTO public.offerlookup(
 	offer_lookup_id, store_id, terminal, offer_type, offer_id, pre_condition)
 	VALUES ('1234567890','0001','002','UPC','01','AND');
+```
 
-
+```bash
 Create a table for end of sale
-==============================
 
 CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
 
@@ -69,7 +77,9 @@ CREATE TABLE endofsale(
   isprocessed boolean
 );
 
+```
 
+```bash
 dummy data
 ==========
 
@@ -77,22 +87,7 @@ dummy data
 INSERT INTO endofsale VALUES ( uuid_generate_v4()  ,
 '{"name": "Paint house", "tags": ["Improvements", "Office"], "finished": true}',
 '{"name": "Paint house", "tags": ["Improvements", "Office"], "finished": true}' );
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+```