Added basic email renderer

go.sum

@@ -128,9 +128,17 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
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+github.com/facebookgo/ensure v0.0.0-20160127193407-b4ab57deab51/go.mod h1:Yg+htXGokKKdzcwhuNDwVvN+uBxDGXJ7G/VN1d8fa64=
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+github.com/go-chi/chi v4.0.0+incompatible h1:SiLLEDyAkqNnw+T/uDTf3aFB9T4FTrwMpuYrgaRcnW4=
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@@ -185,6 +193,10 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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 github.com/logpacker/PayPal-Go-SDK v1.1.4/go.mod h1:DUf5ncyG0n3jFnU9VsuQqe/Vo6KHtWQ6HYf80JwP4rY=
+github.com/mailgun/mailgun-go/v3 v3.6.0 h1:oQWhyDTFjSiuO6vx1PRlfLZ7Fu+oK0Axn0UTREh3k/g=
+github.com/mailgun/mailgun-go/v3 v3.6.0/go.mod h1:E81I5Agcfi/u1szdehi6p6ttdRX/UD3Rq2SrUzwyFIU=
+github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329 h1:2gxZ0XQIU/5z3Z3bUBu+FXuk2pFbkN6tcwi/pjyaDic=
+github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
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@@ -217,6 +229,8 @@ github.com/mssola/user_agent v0.5.0 h1:gRF7/x8cKt8qzAosYGsBNyirta+F8fvYDlJrgXws9
 github.com/mssola/user_agent v0.5.0/go.mod h1:UFiKPVaShrJGW93n4uo8dpPdg1BSVpw2P9bneo0Mtp8=
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