Adapt all scripts to work together with build-packages.sh

scripts/README.md

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+# Scripts
+
+Various scripts and configurations used to configure, build, and package Lite XL.
+
+### Build
+
+- **build.sh**
+- **build-packages.sh**: In root directory, as all in one script; relies to the
+  ones in this directory.
+
+### Package
+
+- **appdmg.sh**:    Create a macOS DMG image using [AppDMG][1].
+- **appimage.sh**:  [AppImage][2] builder.
+- **innosetup.sh**: Creates a 32/64 bit [InnoSetup][3] installer package.
+- **package.sh**:   Creates all binary / DMG image / installer / source packages.
+
+### Utility
+
+- **common.sh**:               Common functions used by other scripts.
+- **install-dependencies.sh**: Installs required applications to build, package
+  and run Lite XL, mainly useful for CI and documentation purpose.
+  Preferably not to be used in user systems.
+- **fontello-config.json**:    Used by the icons generator.
+
+[1]: https://github.com/LinusU/node-appdmg
+[2]: https://docs.appimage.org/
+[3]: https://jrsoftware.org/isinfo.php