adds go fmt to do.sh commands and makes indents friendlier spaced

do.sh

@@ -11,11 +11,18 @@ build() {
 }
 
 test() {
+  echo "I am ${FUNCNAME[0]}ing"
   _lint && _vet && _test
 }
 
 run() {
-  test && go run main.go
+  echo "I am ${FUNCNAME[0]}ing"
+  fmt && test && go run main.go
+}
+
+fmt() {
+  echo "I am ${FUNCNAME[0]}ing"
+  go fmt ./...
 }
 
 _test() {
@@ -35,7 +42,7 @@ _vet() {
 }
 
 all() {
-   test && build
+  fmt && test && build
 }
 
 "$@" # <- execute the task