docs: add deploy chapter

Author: dbartolini

docs/deploying/android.rst

@@ -0,0 +1,55 @@
+====================
+Deploying to Android
+====================
+
+Install Java JDK
+----------------
+
+1. Install the latest JDK:
+
+	* https://www.oracle.com/java/technologies/downloads/
+
+2. Set JAVA_HOME environment variable, if the JDK installer did not:
+
+.. code::
+
+	export JAVA_HOME=<java_jdk>
+
+Install Android SDK & NDK
+-------------------------
+
+1. Install sdkmanager:
+
+	* https://developer.android.com/tools/sdkmanager
+
+2. Install Android SDK, NDK and tools:
+
+.. code::
+
+	<android_sdk>/latest/cmdline-tools/sdkmanager \
+		"platforms;android-33" \
+		"ndk;27.2.12479018" \
+		"platform-tools" \
+		"build-tools;34.0.0"
+
+build-tools >= 34.0.0 is required.
+
+Set environment variables
+-------------------------
+
+.. code::
+
+   export ANDROID_SDK_PATH=<android_sdk>
+   export ANDROID_API_LEVEL=33
+   export ANDROID_NDK_ROOT=<android_ndk>
+   export ANDROID_NDK_ABI=24
+   export ANDROID_BUILD_TOOLS=<android_build-tools>/34.0.0
+
+Generate a keystore
+-------------------
+
+.. code::
+
+	keytool -genkey -v -keystore test.keystore -alias test \
+		-keyalg RSA -keysize 2048 -validity 10000 \
+		-keypass 123456 -storepass 123456

docs/deploying/desktop.rst

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+==============================
+Deploying to Desktop Platforms
+==============================
+
+Deploying to desktop platforms do not require any configuration.
+
+Cross-compiling for a Desktop Platform different than the one Crown is running
+on is currently not supported.

docs/deploying/html5.rst

@@ -0,0 +1,27 @@
+==================
+Deploying to HTML5
+==================
+
+Install emscripten
+------------------
+
+Install emscripten:
+
+   * https://emscripten.org/docs/getting_started/downloads.html
+
+Set environment variables
+-------------------------
+
+.. code::
+
+	export EMSCRIPTEN=<emsdk>/upstream/emscripten
+
+Running the generated output
+----------------------------
+
+Use `emrun` to run the generated `index.html`:
+
+.. code::
+
+	cd <output_dir>
+	<emsdk>/upstream/emscripten/emrun index.html

docs/deploying/index.rst

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+=========
+Deploying
+=========
+
+.. toctree::
+   :maxdepth: 2
+
+   android
+   html5
+   desktop

docs/index.rst

@@ -8,6 +8,7 @@ Crown |version| Manual
    introduction
    installing_crown/index
    getting_started/index
+   deploying/index
    reference/index
    lua_api
    glossary