Rework session management (#37)

Co-authored-by: Kaustubh <kaustubh@rop.app>

go.mod

@@ -3,25 +3,22 @@ module github.com/librespeed/speedtest
 go 1.16
 
 require (
-	github.com/breml/rootcerts v0.1.0 // indirect
-	github.com/fsnotify/fsnotify v1.5.1 // indirect
-	github.com/go-chi/chi/v5 v5.0.4
+	github.com/breml/rootcerts v0.2.1
+	github.com/go-chi/chi/v5 v5.0.7
 	github.com/go-chi/cors v1.2.0
 	github.com/go-chi/render v1.0.1
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
-	github.com/lib/pq v1.10.3
-	github.com/mitchellh/mapstructure v1.4.2 // indirect
+	github.com/gorilla/securecookie v1.1.1
+	github.com/gorilla/sessions v1.2.1
+	github.com/lib/pq v1.10.4
 	github.com/oklog/ulid/v2 v2.0.2
-	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/pires/go-proxyproto v0.6.1
 	github.com/sirupsen/logrus v1.8.1
-	github.com/spf13/cast v1.4.1 // indirect
-	github.com/spf13/viper v1.8.1
+	github.com/spf13/afero v1.7.1 // indirect
+	github.com/spf13/viper v1.10.1
 	github.com/umahmood/haversine v0.0.0-20151105152445-808ab04add26
 	go.etcd.io/bbolt v1.3.6
-	golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d
-	golang.org/x/sys v0.0.0-20210915083310-ed5796bab164 // indirect
-	golang.org/x/text v0.3.7 // indirect
-	gopkg.in/ini.v1 v1.63.2 // indirect
+	golang.org/x/image v0.0.0-20211028202545-6944b10bf410
+	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e // indirect
 )