update docs & go unit test make cmd

Makefile

@@ -4,3 +4,6 @@ SHELL = /bin/bash
 
 test:
 	./tests/test_auction_flow.sh
+
+utest:
+	go test ./...

README.md

@@ -26,24 +26,40 @@ This repository contains the base chain implementation that Colinear's compute m
 
 To build the chain:
 
-```ignite chain build```
+```
+ignite chain build
+```
 
 To serve the chain:
 
-```ignite chain serve```
+```
+ignite chain serve
+```
 
 ### Unit Tests
 
-Unit tests use Go's built-in testing system. To test any specific feature or subpackage:
+Unit tests use Go's built-in testing system. To run all unit tests:
 
-```go test ./path/to/package```
+```
+make utest
+```
+
+To test any specific subpackage:
+
+```
+go test ./path/to/package
+```
 
 ### Integration Tests
 
 Integration tests use a custom bash testing framework that interacts with a running instance of the chain. To run all integration tests:
 
-```make test```
+```
+make test
+```
 
 Integration tests can also be run individually:
 
-```./tests/<specific_test>.sh```
+```
+./tests/<specific_test>.sh
+```