rename frontend to web and update contributing guide (#2509)

* rename frontend to web and update contributing guide

* rename this time

* fix build

* restructure rust code

* update documentation

* update descriptions

* Update CONTRIBUTING.md

Co-authored-by: J H <2364004+Blu-J@users.noreply.github.com>

---------

Co-authored-by: Aiden McClelland <me@drbonez.dev>
Co-authored-by: Aiden McClelland <3732071+dr-bonez@users.noreply.github.com>
Co-authored-by: J H <2364004+Blu-J@users.noreply.github.com>

web/projects/marketplace/src/services/marketplace.service.ts

@@ -0,0 +1,29 @@
+import { Observable } from 'rxjs'
+import { MarketplacePkg, Marketplace, StoreData, StoreIdentity } from '../types'
+
+export abstract class AbstractMarketplaceService {
+  abstract getKnownHosts$(): Observable<StoreIdentity[]>
+
+  abstract getSelectedHost$(): Observable<StoreIdentity>
+
+  abstract getMarketplace$(): Observable<Marketplace>
+
+  abstract getSelectedStore$(): Observable<StoreData>
+
+  abstract getPackage$(
+    id: string,
+    version: string,
+    url?: string,
+  ): Observable<MarketplacePkg> // could be {} so need to check in show page
+
+  abstract fetchReleaseNotes$(
+    id: string,
+    url?: string,
+  ): Observable<Record<string, string>>
+
+  abstract fetchStatic$(
+    id: string,
+    type: string,
+    url?: string,
+  ): Observable<string>
+}