Update formatting of generated headers (#94)

scripts/make_header.sh

@@ -2,13 +2,19 @@
 cat <<EOT >./$1/$2
 #pragma once
 // Generated from https://github.com/esphome/esphome-webserver
-$(if [ -n "$4" ]; then
- echo "#ifdef USE_WEBSERVER_LOCAL"
- echo "#if USE_WEBSERVER_VERSION == $4"
-fi)
+
+EOT
+
+if [ -n "$4" ]; then
+ echo "#ifdef USE_WEBSERVER_LOCAL" >>./$1/$2
+ echo "#if USE_WEBSERVER_VERSION == $4" >>./$1/$2
+ echo "" >>./$1/$2
+fi
+
+cat <<EOT >>./$1/$2
 #include "esphome/core/hal.h"
-namespace esphome {
 
+namespace esphome {
 namespace $3 {
 
 EOT
@@ -18,8 +24,9 @@ cat <<EOT >>./$1/$2
 
 } // namespace $3
 } // namespace esphome
-$(if [ -n "$4" ]; then
- echo "#endif"
- echo "#endif"
-fi)
 EOT
+if [ -n "$4" ]; then
+ echo "" >>./$1/$2
+ echo "#endif" >>./$1/$2
+ echo "#endif" >>./$1/$2
+fi