Feature/sideload (#1520)

* base styling and action placeholders for package sideload

* apparently didnt add new folder

* wip

* parse manifest and icon from s9pk to upload

* wip handle s9pk upload

* adjust types, finalize actions, cleanup

* clean up and fix data clearing and response

* include rest rpc in proxy conf sample

* address feedback to use shorthand falsy coercion

* update copy and invalid package file ux

* do not wait package upload, instead show install progress

* fix proxy for rest rpc

rename sideload package page titles

frontend/projects/ui/src/app/services/api/embassy-api.service.ts

@@ -27,6 +27,9 @@ export abstract class ApiService implements Source<DataModel>, Http<DataModel> {
   // for getting static files: ex icons, instructions, licenses
   abstract getStatic(url: string): Promise<string>
 
+  // for sideloading packages
+  abstract uploadPackage(guid: string, body: ArrayBuffer): Promise<string>
+
   // db
 
   abstract getRevisions(since: number): Promise<RR.GetRevisionsRes>
@@ -260,6 +263,10 @@ export abstract class ApiService implements Source<DataModel>, Http<DataModel> {
   deleteRecoveredPackage = (params: RR.UninstallPackageReq) =>
     this.syncResponse(() => this.deleteRecoveredPackageRaw(params))()
 
+  abstract sideloadPackage(
+    params: RR.SideloadPackageReq,
+  ): Promise<RR.SideloadPacakgeRes>
+
   // Helper allowing quick decoration to sync the response patch and return the response contents.
   // Pass in a tempUpdate function which returns a UpdateTemp corresponding to a temporary
   // state change you'd like to enact prior to request and expired when request terminates.