Switch remote deploy to vendored source builds

Move remote deployment to a vendored source bundle built on the target host via Docker so redeploys no longer require local cross-compilation or host Go installation.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

vendor/github.com/wailsapp/wails/v2/.prettierrc.yml

@@ -0,0 +1,6 @@
+overrides:
+  - files:
+      - "**/*.md"
+    options:
+      printWidth: 80
+      proseWrap: always