Add .env support for release scripts, add .env.example

Scripts now source .env automatically for GITEA_TOKEN and other config.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.env.example

@@ -0,0 +1,3 @@
+GITEA_TOKEN=your_gitea_api_token_here
+GITEA_URL=https://git.manko.yoga
+REPO=manawenuz/btest-rs

.gitignore

@@ -2,3 +2,4 @@
 /dist
 btest_original
 .claude/
+.env

scripts/build-macos-release.sh

@@ -9,8 +9,15 @@ set -euo pipefail
 
 cd "$(dirname "$0")/.."
 
-GITEA_URL="https://git.manko.yoga"
+# Load .env if present
-REPO="manawenuz/btest-rs"
+if [[ -f .env ]]; then
+    set -a
+    source .env
+    set +a
+fi
+
+GITEA_URL="${GITEA_URL:-https://git.manko.yoga}"
+REPO="${REPO:-manawenuz/btest-rs}"
 UPLOAD=""
 TAG=""