gradle: add properties and modify injected-client (#1145)

* add implementation for getItemCount

* Ignore build directory in project root

* save injector results as class files

* package injected-client for shading into client

* auto-updating properties

* fix run task

* shade injected-client into jar

runelite-client/build.gradle

@@ -45,6 +45,7 @@ dependencies {
     runtime group: 'org.jogamp.gluegen', name: 'gluegen-rt', version: '2.3.2', classifier: 'natives-linux-amd64'
     runtime group: 'org.jogamp.gluegen', name: 'gluegen-rt', version: '2.3.2', classifier: 'natives-linux-i586'
     runtime project(':runescape-api')
+    runtime project(':injected-client')
     testImplementation group: 'junit', name: 'junit', version: '4.12'
     testImplementation group: 'org.slf4j', name: 'slf4j-api', version: '1.7.26'
     testImplementation group: 'org.hamcrest', name: 'hamcrest-library', version: '2.1'
@@ -72,6 +73,8 @@ jar {
 
 shadowJar {
     archiveClassifier.set("shaded")
+
+    exclude("net/runelite/injector/**")
 }
 
 tasks.build.dependsOn tasks.shadowJar