refactor: rename project videnc-vibe -> av1dae

Rename the Go module, the cmd/ entrypoint dir, the binary, the default config
dir (~/.config/av1dae/), the Docker image/compose service, and all docs and
the dashboard wordmark. No behavioral change — import paths and identifiers
only.

MANUAL.md

@@ -1,4 +1,4 @@
-# videnc-vibe — User Manual
+# av1dae — User Manual
 
 A Go CLI that watches a folder for `.mkv` rips, transcodes them to SVT-AV1 video + Opus audio, embeds metadata fetched from OMDb (movies) or TVmaze (series), and files the results into output/originals/failed directories.
 
@@ -25,16 +25,16 @@ API keys:
 ## 2. Build
 
 ```bash
-go build -o videnc-vibe ./cmd/videnc/
+go build -o av1dae ./cmd/av1dae/
 ```
 
-This produces a single static binary `./videnc-vibe`.
+This produces a single static binary `./av1dae`.
 
 ---
 
 ## 3. Configuration
 
-By default the config is loaded from `~/.config/videnc-vibe/config.yaml`. Pass `-c /path/to/config.yaml` to override.
+By default the config is loaded from `~/.config/av1dae/config.yaml`. Pass `-c /path/to/config.yaml` to override.
 
 Example (`config.example.yaml`):
 
@@ -89,10 +89,10 @@ All five directories are created on startup if they don't exist.
 ## 4. Running
 
 ```bash
-./videnc-vibe                       # default config path, keep originals
-./videnc-vibe -d                    # delete originals after successful encode
-./videnc-vibe -c /etc/videnc.yaml   # custom config
-./videnc-vibe -c /etc/videnc.yaml -d
+./av1dae                       # default config path, keep originals
+./av1dae -d                    # delete originals after successful encode
+./av1dae -c /etc/av1dae.yaml   # custom config
+./av1dae -c /etc/av1dae.yaml -d
 ```
 
 Flags:
@@ -268,7 +268,7 @@ The watcher continues with the next file; one bad rip won't stop the daemon.
 ## 11. Project layout
 
 ```
-cmd/videnc/main.go        CLI entrypoint and per-file orchestration
+cmd/av1dae/main.go        CLI entrypoint and per-file orchestration
 internal/config/          YAML config load + defaults + mkdir
 internal/watcher/         Polling loop, media-type detection by pixel count
 internal/encoder/         ffprobe/ffmpeg/opusenc wrapper, transcode pipeline