examples: add WASM plugin examples

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Id4b791396ab37827caced2c8cc03ec356a6a6964

examples/plugins/subtitle-detector/plugin.toml

@@ -0,0 +1,18 @@
+[plugin]
+name = "subtitle-detector"
+version = "1.0.0"
+api_version = "1.0"
+description = "Registers SRT, VTT, and ASS subtitle formats and extracts language and entry count metadata"
+kind = ["media_type", "metadata_extractor"]
+priority = 500
+
+[plugin.binary]
+wasm = "subtitle_detector.wasm"
+
+[capabilities]
+network = false
+
+[capabilities.filesystem]
+# Users must add their media root directories here. Example:
+#   read = ["/home/user/media", "/mnt/nas/subtitles"]
+read = []