add some net gems

Gemfile

@@ -111,3 +111,5 @@ gem "webpacker", "~> 5.2"
 gem "omniauth-rails_csrf_protection", "~> 1.0"
 
 gem "net-smtp"
+gem "net-imap"
+gem "net-pop"

Gemfile.lock

@@ -147,6 +147,7 @@ GEM
     devise-i18n (1.10.2)
       devise (>= 4.8.0)
     diff-lcs (1.5.0)
+    digest (3.1.0)
     docile (1.4.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
@@ -312,6 +313,16 @@ GEM
     naught (1.1.0)
     nenv (0.3.0)
     nested_form (0.3.2)
+    net-imap (0.2.3)
+      digest
+      net-protocol
+      strscan
+    net-pop (0.1.1)
+      digest
+      net-protocol
+      timeout
+    net-protocol (0.1.3)
+      timeout
     net-smtp (0.1.0)
     nio4r (2.5.8)
     nokogiri (1.13.7)
@@ -516,11 +527,13 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
+    strscan (3.0.3)
     sysexits (1.2.0)
     temple (0.8.2)
     thor (1.2.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
+    timeout (0.3.0)
     turbo-rails (1.1.1)
       actionpack (>= 6.0.0)
       activejob (>= 6.0.0)
@@ -607,6 +620,8 @@ DEPENDENCIES
   letter_opener
   lograge
   mini_magick
+  net-imap
+  net-pop
   net-smtp
   oj
   omniauth