Rght sidebar (#461)

* init

* model

* pass model

* increase snap threshold

* move saving of state to model. backend implementation

* fix wrong clientdata prop

* right header space for right sidebar toggles

* button component refactor

* set default classname to primary

* remove debugging code

* hide trigger for now

* disable right sidebar in production (only show on dev for now)

wavesrv/pkg/sstore/sstore.go

@@ -294,6 +294,7 @@ type ClientOptsType struct {
 	AcceptedTos           int64             `json:"acceptedtos,omitempty"`
 	ConfirmFlags          map[string]bool   `json:"confirmflags,omitempty"`
 	MainSidebar           *SidebarValueType `json:"mainsidebar,omitempty"`
+	RightSidebar          *SidebarValueType `json:"rightsidebar,omitempty"`
 	GlobalShortcut        string            `json:"globalshortcut,omitempty"`
 	GlobalShortcutEnabled bool              `json:"globalshortcutenabled,omitempty"`
 }