Improving readme.

README.md

@@ -1,2 +1,44 @@
 # BedrockStation
 
+## Compile instructions
+
+Copy app/build.gradle.example to app/build.gradle.
+
+Remove:
+
+```
+    signingConfigs {
+        release {
+            storeFile file("<file>")
+            storePassword "<store pass>"
+            keyAlias "<alias>"
+            keyPassword "<pass>"
+        }
+    }
+```
+
+and 
+
+```
+            signingConfig signingConfigs.release
+```
+
+From that file.
+
+Configure correctly the android sdk.
+
+Install gradle-8.7 or later.
+
+Run: 
+
+```
+gradle assemble
+```
+
+Test the demo build installing:
+
+`./app/build/outputs/apk/free/debug/app-free-debug.apk`
+
+And the Pro build installing:
+
+`./app/build/outputs/apk/pro/debug/app-pro-debug.apk`