Create C++ Apriltag example (#794)

* Create C++ Apriltag example

* Delete libphotonlibcamera.so

* Update PhotonCameraWrapper.h

* Delete extra files

Update .gitignore

photonlib-cpp-examples/apriltagExample/settings.gradle

@@ -0,0 +1,30 @@
+import org.gradle.internal.os.OperatingSystem
+
+rootProject.name = 'aimattarget'
+
+pluginManagement {
+    repositories {
+        mavenLocal()
+        jcenter()
+        gradlePluginPortal()
+        String frcYear = '2023'
+        File frcHome
+        if (OperatingSystem.current().isWindows()) {
+            String publicFolder = System.getenv('PUBLIC')
+            if (publicFolder == null) {
+                publicFolder = "C:\\Users\\Public"
+            }
+            def homeRoot = new File(publicFolder, "wpilib")
+            frcHome = new File(homeRoot, frcYear)
+        } else {
+            def userFolder = System.getProperty("user.home")
+            def homeRoot = new File(userFolder, "wpilib")
+            frcHome = new File(homeRoot, frcYear)
+        }
+        def frcHomeMaven = new File(frcHome, 'maven')
+        maven {
+            name 'frcHome'
+            url frcHomeMaven
+        }
+    }
+}