Add Internet Radio support (#2063)

* add internet radio support

* Add dynamic sidebar icon to Radios

* Fix typos

* Make URL suffix consistent

* Fix typo

* address feedback

* Don't need to preload when playing Internet Radios

* Reorder migration, or else it won't be applied

* Make Radio list view responsive

Also added filter by name, removed RadioActions and RadioContextMenu, and added a default radio icon, in case of favicon is not available.

* Simplify StreamField usage

* fix button, hide progress on mobile

* use js styles over index.css

Co-authored-by: Deluan <deluan@navidrome.org>

server/subsonic/responses/responses_test.go

@@ -594,4 +594,39 @@ var _ = Describe("Responses", func() {
 
 		})
 	})
+
+	Describe("InternetRadioStations", func() {
+		BeforeEach(func() {
+			response.InternetRadioStations = &InternetRadioStations{}
+		})
+
+		Describe("without data", func() {
+			It("should match .XML", func() {
+				Expect(xml.Marshal(response)).To(MatchSnapshot())
+			})
+			It("should match .JSON", func() {
+				Expect(json.Marshal(response)).To(MatchSnapshot())
+			})
+		})
+
+		Describe("with data", func() {
+			BeforeEach(func() {
+				radio := make([]Radio, 1)
+				radio[0] = Radio{
+					ID:          "12345678",
+					StreamUrl:   "https://example.com/stream",
+					Name:        "Example Stream",
+					HomepageUrl: "https://example.com",
+				}
+				response.InternetRadioStations.Radios = radio
+			})
+
+			It("should match .XML", func() {
+				Expect(xml.Marshal(response)).To(MatchSnapshot())
+			})
+			It("should match .JSON", func() {
+				Expect(json.Marshal(response)).To(MatchSnapshot())
+			})
+		})
+	})
 })