[Input bridge] Very little doc

app/src/main/jni/input_bridge_v1.c

@@ -1,3 +1,12 @@
+/*
+ * V1 input bridge implementation.
+ *
+ * Status:
+ * - Abandoned.
+ * - Works in any versions.
+ * - More lag than v2 and v3
+ */
+
 #include <jni.h>
 #include <assert.h>
 

app/src/main/jni/input_bridge_v2.c

@@ -1,3 +1,11 @@
+/*
+ * V2 input bridge implementation.
+ *
+ * Status:
+ * - Abandoned.
+ * - 1.13+ works, but below them don't.
+ */
+
 #include <jni.h>
 #include <assert.h>
 

app/src/main/jni/input_bridge_v3.c

@@ -1,3 +1,13 @@
+/*
+ * V3 input bridge implementation.
+ *
+ * Status:
+ * - Active development
+ * - Works with some bugs:
+ *  + Modded versions gives broken stuff.
+ *  + Broken text input on MC 1.12.2 and below.
+ */
+ 
 #include <jni.h>
 #include <assert.h>