Add Photonlib (#231)

Merges Photonlib into Photonvision, along with the Photonlib code examples. Also creates a new PhotonTargeting library teams can depend on.

photon-lib/src/test/java/org/photonvision/PhotonCameraTest.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Photon Vision.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.photonvision;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.photonvision.common.dataflow.structures.Packet;
+import org.photonvision.targeting.PhotonPipelineResult;
+
+class PhotonCameraTest {
+    @Test
+    public void testEmpty() {
+        Assertions.assertDoesNotThrow(
+                () -> {
+                    var packet = new Packet(1);
+                    var ret = new PhotonPipelineResult();
+                    packet.setData(new byte[0]);
+                    if (packet.getSize() < 1) {
+                        return;
+                    }
+                    ret.createFromPacket(packet);
+                });
+    }
+}