docs: Update README with new config

README.md

@@ -31,6 +31,31 @@ Zooming in a bit:
 
 (Note that we require `uniffi-bindgen` to be `0.25`, if you have an older version you might need to remove this to re-install the latest).
 
+### Configure settings
+
+By creating a `toml` configuration file you can specify what build settings you want to use. Example is provided in `config-example.toml`:
+
+```
+# config-example.toml
+
+[build]
+# For iOS device_type can be x86_64, simulator, device
+# For Android device_type can be x86_64, arm, arm64
+device_type = "simulator" # Options: x86_64, simulator, device, arm, arm64
+
+# debug is for Rust library to be in debug mode and release for release mode
+# We recommend release mode by default for performance
+build_mode = "release"    # Options: debug, release
+
+[circuit]
+dir = "examples/circom/keccak256" # Directory of the circuit
+name = "keccak256_256_test"       # Name of the circuit
+
+[dylib]
+use_dylib = true         # Options: true, false
+name = "keccak256.dylib" # Name of the dylib file, only used if use_dylib is true
+```
+
 ### iOS
 
 #### Prepare
@@ -39,20 +64,17 @@ Zooming in a bit:
 
 #### Build Bindings
 
-To build bindings for iOS simulator debug mode, run
+To build bindings for iOS, adjust settings in your config file (we recommend starting with `simulator` and `release`) and run:
 
 ```sh
-./scripts/build_ios.sh simulator debug
+./scripts/build_ios.sh config-example.toml
 ```
 
 Open the `mopro-ios/MoproKit/Example/MoproKit.xcworkspace` in Xcode.
 
 #### Update Bindings
 
-To update bindings, run `./scripts/update_bindings.sh simulator|device debug|release`.
-
--   `simulator` is for building library to run on iOS simulator, `device` is for running on a real device
--   `debug` is for Rust library to be in debug mode and `release` for release mode
+To update bindings, run `./scripts/update_bindings.sh config-example`.
 
 ### Android
 
@@ -80,7 +102,7 @@ To update bindings, run `./scripts/update_bindings.sh simulator|device debug|rel
 To build bindings for android simulator debug mode, run
 
 ```sh
-./scripts/build_android.sh arm64 debug
+./scripts/build_android.sh config-example.toml
 ```
 
 - **Device types:** `x86_64`, `x86`, `arm`, `arm64`

config-example.toml

@@ -1,13 +1,18 @@
 # config-example.toml
 
 [build]
-device_type = "simulator" # Options: x86_64, simulator, device
-build_mode = "release"    # Options: debug, release
+# For iOS device_type can be x86_64, simulator, device
+# For Android device_type can be x86_64, arm, arm64
+device_type = "simulator" # Options: x86_64, simulator, device, arm, arm64
+
+# debug is for Rust library to be in debug mode and release for release mode
+# We recommend release mode by default for performance
+build_mode = "release" # Options: debug, release
 
 [circuit]
 dir = "examples/circom/keccak256" # Directory of the circuit
 name = "keccak256_256_test"       # Name of the circuit
 
 [dylib]
-use_dylib = false        # Options: true, false
+use_dylib = true         # Options: true, false
 name = "keccak256.dylib" # Name of the dylib file, only used if use_dylib is true