chore(deploy): publish hashes of windows setup files

.travis.yml

@@ -163,6 +163,7 @@ deploy:
     api_key:
       secure: "BRbzTWRvadALRQSTihMKruOj64ydxusMUS9FQR//qFlS345ZYfYta43W//4LcWWDKtj6IvA6DRqNdabgWnpbpxpnm9gVftGUdOKlU3niPZhwsMkB2M12QHUnAP6DVOfGPvdciBV+6mu73SSxniEcrYjZ1CrRX7mknmehPpVKxNk="
     file: "./workspace/x86_64/qtox/release/setup-qtox-x86_64-release.exe"
+    file: "./workspace/x86_64/qtox/release/setup-qtox-x86_64-release.exe.sha256"
     on:
       condition: $WINDOWS_BUILD_ARCH_CACHE_TRICK_VARIABLE == x86_64 && -f /home/travis/build/qTox/qTox/stage3 && -f /home/travis/build/qTox/qTox/release
       repo: qTox/qTox
@@ -174,6 +175,7 @@ deploy:
     api_key:
       secure: "BRbzTWRvadALRQSTihMKruOj64ydxusMUS9FQR//qFlS345ZYfYta43W//4LcWWDKtj6IvA6DRqNdabgWnpbpxpnm9gVftGUdOKlU3niPZhwsMkB2M12QHUnAP6DVOfGPvdciBV+6mu73SSxniEcrYjZ1CrRX7mknmehPpVKxNk="
     file: "./workspace/i686/qtox/release/setup-qtox-i686-release.exe"
+    file: "./workspace/i686/qtox/release/setup-qtox-i686-release.exe.sha256"
     on:
       condition: $WINDOWS_BUILD_ARCH_CACHE_TRICK_VARIABLE == i686 && -f /home/travis/build/qTox/qTox/stage3 && -f /home/travis/build/qTox/qTox/release
       repo: qTox/qTox

.travis/build-windows.sh

@@ -134,6 +134,14 @@ then
   sha256sum windows/cross-compile/build.sh > "$CACHE_DIR"/hash
 fi
 
+# Generate checksum files for releases
+if [ "$STAGE" == "stage3" && "$BUILD_TYPE" == "release" ]
+then
+  readonly OUT_DIR=./workspace/"$ARCH"/qtox/"$BUILD_TYPE"/
+  readonly NAME=setup-qtox-"$ARCH"-"$BUILD_TYPE".exe
+  sha256sum "$OUT_DIR""$NAME" > "$OUT_DIR""$NAME".sha256
+fi
+
 # Purely for debugging
 touch "$CACHE_DIR"/"$STAGE"
 ls -lbh "$CACHE_DIR"