apply highlighting and showing supplier name to invoice pdf

Gemfile.lock

@@ -176,6 +176,8 @@ GEM
       xpath (~> 3.2)
     case_transform (0.2)
       activesupport
+    childprocess (5.1.0)
+      logger (~> 1.5)
     chronic (0.10.2)
     coderay (1.1.3)
     coffee-rails (5.0.0)
@@ -289,16 +291,28 @@ GEM
       activerecord
       kaminari-core (= 1.2.2)
     kaminari-core (1.2.2)
+    launchy (3.1.1)
+      addressable (~> 2.8)
+      childprocess (~> 5.0)
+      logger (~> 1.6)
     less (2.6.0)
       commonjs (~> 0.2.7)
     less-rails (5.0.0)
       actionpack (>= 5.0)
       less (~> 2.6.0)
       sprockets (~> 3.0)
+    letter_opener (1.10.0)
+      launchy (>= 2.2, < 4)
+    letter_opener_web (2.0.0)
+      actionmailer (>= 5.2)
+      letter_opener (~> 1.7)
+      railties (>= 5.2)
+      rexml
     libv8 (3.16.14.19-x86_64-linux)
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.7.0)
     loofah (2.21.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -647,6 +661,7 @@ DEPENDENCIES
   jquery-rails
   kaminari
   less-rails
+  letter_opener_web
   listen
   mailcatcher
   midi-smtp-server
@@ -700,4 +715,4 @@ DEPENDENCIES
   whenever
 
 BUNDLED WITH
-   2.4.21
+   2.4.22